Citations with the tag: PLANT morphology -- Research
Results 1 - 50
- Why size matters in the plant world too.
// New Scientist; 10/15/2011, Vol. 212 Issue 2834, p18
The article discusses research by Kevin Burns and Patrick Kavanagh at Victoria University of Wellington in New Zealand who discovered 38 dioecious plant species that follow evolutionary biologist Bernhard Rensch's sex-size rule that posits females of small-bodied species are larger than males.
- Buellia sharpiana (Physciaceae, Lichenized Ascomycetes), Another New Species from the Great Smoky Mountains of Eastern North America.
Lendemer, James C.; Harris, Richard C. // Castanea; Jun2013, Vol. 78 Issue 2, p148
Buellia sharpiana is described as new to science based on material from a single locality at the summit of Mt. LeConte in Great Smoky Mountains National Park in the southern Appalachian Mountains of eastern North America. The species is characterized by its ascospore size, thallus morphology,...
- Chinese Tuber aestivum sensu lato in Europe.
Zambonelli, Alessandra; Iotti, Mirco; Piattoni, Federica // Open Mycology Journal; 2012, Vol. 6, p22
Two specimens of Tuber aestivum sensu lato from China were found between T. aestivum ascomata for sale in Italy. The morphological features of these ascomata were intermediate between those of T. aestivum and Tuber mesentericum. The spores were roundish and smaller than those of T. mesentericum...
- Field Establishment of Cashew (Anacardium occidentale L.) Transplants as Affected by Nursery Periods.
Hammed, Lateef Akinkunle; Olaniyan, Amudalat Bolanle // Journal of Agricultural Science & Technology B; Nov2012, Vol. 2 Issue 11B, p1158
Field establishment of cashew has been seriously hampered by long delay in the nursery. This has led to transplanting of overgrown seedlings resulting in high transplant mortality, especially during the first dry season on the field. The experiment was set up to study field establishment of...
- Axonopus graniticola, a new species of A. ser. Suffulti (Poaceae, Panicoideae, Paspaleae) from Minas Gerais, Brazil.
Viana, Pedro Lage; de Paula, Luiza Fonseca Amorim // PhytoKeys; Apr2013, Issue 21, p7
A new species of Axonopus ser. Sufulti from Minas Gerais, Brazil, is described and illustrated. Comparison with morphologically related species, as well as comments on the ecology and the conservation status are provided.
- Monanthes subrosulata, a new species of M. sect. Sedoidea (Crassulaceae) from La Palma, Canary Islands, Spain.
BAUDET, ÁNGEL BAÑARES; RODRÍGUEZ, AURELIO ACEVEDO; BEAUMONT, ÁNGEL REBOLÉ // Willdenowia; Jun2013, Vol. 43 Issue 1, p25
Monanthes subrosulata (M. sect. Sedoidea) from La Palma, Canary Islands, Spain, is described as a species new to science and illustrated. Special attention is paid to the morphological characteristics that differentiate it from the other species of the section (M. anagensis and M. laxiflora), as...
- Cyanobacteria microflora in a limestone spring (Troniny spring, Central Poland).
Nowicka-Krawczyk, Paulina Bronisława; Żelazna-Wieczorek, Joanna // Acta Societatis Botanicorum Poloniae; 2013, Vol. 82 Issue 3, p219
The paper reports a study of cyanobacterial diversity in a cold-water limestone limnocrene in Central Poland. Samples were collected from 1998 to 2000 and in June 2012. The morphology, population characteristics and species composition of the cyanobacteria assemblages were investigated, and the...
- Lectotypification of the Linnaean name Bryonia cretica (Cucurbitaceae).
IAMONICO, DUILIO; PANITSA, MARIA // Acta Botanica Croatica; 2013, Vol. 72 Issue 1, p193
The typification of the name Bryonia cretica is investigated and discussed. A specimen from the Clifford Herbarium is designated as the lectotype. The morphology of the species, notes on its cytology and geographical distribution and ecological features are also treated.
- CaracterÃsticas morfolÃ³gicas e produtivas da maniÃ§oba cultivada sob lÃ¢minas hÃdricas e doses de nitrogÃªnio.
de ARAÚJO FILHO, José Teodorico; de Alencar PAES, Reinaldo; Lima de AMORIM, Philipe; Ferreira COMASSETTO, Fernanda; Comasseto da SILVA, Silvia // Revista Brasileira de SaÃºde e ProduÃ§Ã£o Animal (RBSPA); out-dez2013, Vol. 14 Issue 4, p609
The objective of this research to evaluate the behavior of cassava cultivated under irrigation and nitrogen levels. The experimental design was a randomized complete block in factorial arrangement (7 x 4), seven water slides (394.28, 333.16, 279.20, 213.00, 209.00, 169.16 and 116.60mm) and four...
- Comparative karyomorphological study of some Indian Cymbidium Swartz, 1799 (Cymbidieae, Orchidaceae).
Sharma, Santosh K.; Kumaria, Suman; Tandon, Pramod; Satyawada, Rao Rama // Comparative Cytogenetics; 2012, Vol. 6 Issue 4, p453
Understanding the genetic resources and diversity is very important for the breeding programs and improvement of several economically important orchids like Cymbidium. Karyomorphological studies have been carried out on seven Cymbidium species, C. aloifolium (Linnaeus, 1753), C. devonianum...
- Morphological and palynological studies of three sections of the genus Onobrychis Mill. in Iran.
Ranjbar, Massoud; Khademi, Fatemeh // Journal of Plant Biology (2008-8264); Autumn2013, Vol. 5 Issue 17, preceding p5
In this study, plant morphology and palynology of 40 populations belonging to 17 species from 3 sections of the genus Onobrychis, namely Afghanichae, Heliobrychis and Lophobrychis, were investigated. In morphological study, 59 quantitative and qualitative characters comprising vegetative and...
- Frankincense tapping reduces the carbohydrate storage of Boswellia trees.
Mengistu, Tefera; Sterck, Frank J.; Fetene, Masresha; Bongers, Frans // Tree Physiology; Jun2013, Vol. 33 Issue 6, p601
Carbohydrates fixed by photosynthesis are stored in plant organs in the form of starch or sugars. Starch and sugars sum to the total non-structural carbohydrate pool (TNC) and may serve as intermediate pools between assimilation and utilization. We examined the impact of tapping on TNC...
- Aspects of Gametophyte Development of Dicksonia sellowiana Hook (Dicksoniaceae): an Endangered Tree Fern Indigenous to South and Central America.
Fiori, Claudia Cristina L.; Santos, Marisa; Randi, Aurea M. // American Fern Journal; Jul-Sep2009, Vol. 99 Issue 3, p207
The article presents a study on the morphological aspects on gametophyte development of Dicksonia sellowiana (D. sellowiana). It states that the developments of gametophyte and sporophyte were defined under the spore sowing of D. sellowiana spores within 30 days. It mentions that the growth of...
- The influence of vegetation and building morphology on shadow patterns and mean radiant temperatures in urban areas: model development and evaluation.
Lindberg, Fredrik; Grimmond, C. // Theoretical & Applied Climatology; Oct2011, Vol. 105 Issue 3/4, p311
The solar and longwave environmental irradiance geometry (SOLWEIG) model simulates spatial variations of 3-D radiation fluxes and mean radiant temperature ( T) as well as shadow patterns in complex urban settings. In this paper, a new vegetation scheme is included in SOLWEIG and evaluated. The...
- Germinaï¿½ï¿½o in vitro e desenvolvimento pï¿½s-seminal de plï¿½ntulas de Pilosocereus aurisetus (Werderm.) Byles & G.D. Rowley (Cactaceae).
Valqu�ria dos Reis, Michele; Gomes P�go, Rog�rio; de Oliveira Paiva, Patr�cia Duarte; Artioli-Coelho, Fabiane Aparecida; Paiva, Renato // Revista Ceres; nov/dez2012, Vol. 59 Issue 6, p739
Pilosocereus aurisetus is a species of cactus of economic and environmental importance, but the predatory exploitation led the species to be listed as threatened with extinction. P. aurisetus propagation occurs mainly in natural environment by sexual reproduction, though there is no record of...
- Light Quality and the Critical Period for Weed Control in Soybean.
Green-Tracewicz, Emily; Page, Eric R.; Swanton, Clarence J. // Weed Science; Jan-Mar2012, Vol. 60 Issue 1, p86
The critical period for weed control (CPWC) is an integral component of integrated weed management strategies. Several studies have defined the CPWC in soybean under varying agronomic conditions, yet none have described the mechanisms involved in crop yield losses caused by weed competition. We...
- Phylogeny and Phylogeography of North American Castanea Mill. (Fagaceae) Using cpDNA Suggests Gene Sharing in the Southern Appalachians (Castanea Mill., Fagaceae).
Shaw, Joey; Craddock, J. Hill; Binkle, Meagan A. // Castanea; Jun2012, Vol. 77 Issue 2, p186
North American Castanea consists of three morphologically variable species: Castanea dentata, Castanea pumila, and Castanea ozarkensis. Taxonomy of these species has been complicated by intermediate morphology, similarity in growth habit due, in part, to the chestnut blight, and putative...
- MULTI-OBJECTIVE ANALYSIS OF PHYSIOLOGICAL AND MORPHOLOGICAL RESPONSES OF WINTER WHEAT (Triticum aestivum L.) TO STRESS INDUCED BY LOW TEMPERATURE DURING AUTUMN ACCLIMATION.
Baležentienė, Ligita // Acta Scientiarum Polonorum. Agricultura; 2013, Vol. 12 Issue 1, p3
Based on the literature data, types of morphological and physiological changes occurring in plants during the process of autumn hardening were discussed, as an expression of adaptations to overwintering. They indicate that the level of plant preparation for surviving winter depends on the...
- Preliminary studies on the morphological variability among Arabidopsis halleri populations from contrasting habitats.
Franiel, Izabella; Steindor, Karolina // Annales Botanici Fennici; May2013, Vol. 50 Issue 3, p142
Different environmental conditions can cause specific modifications during the development of plants. In this study, we investigated the effect of contrasting habitats (a Zn-Pb dump and a forest site) on morphological and reproductive traits of 154 plants of the perennial herb Arabidopsis...
- Taxonomic relationships in the Hypericum ericoides aggregate (H. sect. Coridium, Hypericaceae).
Alonso, Ma Ángeles; Agulló, Jonás C.; Villar, José L.; Juan, Ana; Crespo, Manuel B. // Annales Botanici Fennici; May2013, Vol. 50 Issue 3, p195
A taxonomic revision of the Hypericum ericoides aggregate is presented based on morphological characters. This aggregate is endemic to the western Mediterranean basin and is currently included in H. sect. Coridium. Light microscopy and scanning electron microscopy techniques were utilized to...
- RelaÃ§Ã£o entre as CaracterÃsticas MorfolÃ³gicas e a Qualidade da CortiÃ§a.
Pestana, Miguel; Carneiro, Luís; Lousada, José; Sardinha, Raúl // Silva Lusitana; 2011, Vol. 19 Issue 1, p1
The main drive of this study was to contribute for a better knowledge about the relationship between the quality of cork and its morphology, aiming to finding out the predictive capacity of the morphological characteristics and their weight to discriminate and select cork quality. Board cork...
- Taxonomy of the Asian Gymnema latifolium (Apocynaceae, Asclepiadoideae, Marsdenieae), including lectotypification of the synonymous G. khandalense.
MEVE, ULRICH; ALEJANDRO, GRECEBIO JONATHAN // Willdenowia; Jun2013, Vol. 43 Issue 1, p81
The Indian endemics Gymnema khandalense and G. kollimalayanum are proposed as new synonyms of G. latifolium, and lectotypification for G. khandalense is provided. The description of G. latifolium, which is of wide distribution in bangladesh, S China, India, Myanmar, Thailand and Vietnam, is...
- Studies on Schismatoglottideae (Araceae) of Borneo XXVII -- New species of Aridarum, and notes on the Aridarum Rostratum Complex.
BOYCE, PETER C.; WONG SIN YENG // Willdenowia; Jun2013, Vol. 43 Issue 1, p91
Two taxonomically novel Aridarum species are described from Kalimantan Barat, Indonesian Borneo: A. hippocrepis P. C. Boyce & S. Y. Wong and A. uncum P. C. Boyce & S. Y. Wong. Together with A. rostratum Bogner & A. Hay (also Kalimantan Barat) these form a morphologically distinct group of...
- New species of Buxus (Buxaceae) from northeastern Cuba based on morphological and molecular characters, including some comments on molecular diagnosis.
GONZÁLEZ GUTIÉRREZ, PEDRO A.; KÖHLER, EGON; BORSCH, THOMAS // Willdenowia; Jun2013, Vol. 43 Issue 1, p125
Three new species of Buxus endemic to the serpentine areas of Sierra de Nipe and Sierra del Cristal, northeastern Cuba, are described. Morphological descriptions including pollen and leaf anatomy are provided as well as sequences of the plastid trnK-matK and trnL-trnF regions, serving as...
- Geographical Attributes Analysis for Egyptian Hypericum Sinaicum.
Khafagi, O.; Omar, K. // Universal Journal of Environmental Research & Technology; Dec2012, Vol. 2 Issue 6, p500
A study was carried out on a wild herb Hypericum sinaicum (Family: Hypericaceae) in Saint Katherine Protectorate, South Sinai, Egypt to increase the understanding about some applications of Geographical Information Systems (GIS) in analysis, management and making suitable decisions in plant...
- Impact of 2,4-D sodium salt and automobile exhaust on the photosynthetic pigment and ascorbic acid content of Cymbopogon martinii.
Singh, Annapurna; Singh, Nandita; Yunus, M. // Journal of Chemical & Pharmaceutical Research; 2012, Vol. 4 Issue 12, p5114
Plants are exposed to a variety of anthropogenic gaseous and liquid pollutants which change the cellular biochemistry of plants directly or indirectly leading to reduced morphological growth. In this study we tried to correlate the combined impact of 2, 4-D sodium salt and automobile exhaust on...
- A new tetraploid species of Solanum L. sect. Solanum (Solanaceae) from Tanzania.
Manoko, Mkabwa L. K.; van der Weerden, Gerard M.; den Berg, Ronald G. van; Mariani, Celestina // PhytoKeys; 2012, Issue 16, p65
Solanum umalilaense Manoko sp. nov. (Solanaceae) is described from the Umalila area, in the southern highlands of Tanzania. Its novelty is supported with both morphological and AFLP data. Phenetic and phylogenetic analyses place S. umalilaense as a unique and well-supported taxon among...
- Alatococcus, a new genus of Sapindaceae from Espirito Santo, Brazil.
Acevedo-Rodríguez, Pedro // PhytoKeys; 2012, Issue 10, p1
The new genus Alatococcus (Sapindaceae) is described from Espirito Santo, Brazil. Alatococcus seems to be closely related to Scyphonychium of northeastern Brazil, as they both share similar vegetative morphology, flowers with zygomorphic calyx, fruits with indehiscent mericarps, and isopolar,...
- Boletopsis nothofagi sp. nov. associated with Nothofagus in the Southern Hemisphere.
Cooper, Jerry A.; Leonard, Patrick // MycoKeys;
Boletopsis nothofagi sp. nov., an ectomycorrhizal taxon is described from Nothofagus forests in New Zealand. A comparison of available molecular ITS sequences, and morphological data was carried out to conirm the novelty of the taxon. This is the first report of the genus in the Southern Hemisphere.
- Sodium Azide Induced Complementary Effect of Chromosomal Stickiness in Brassica campestris L.
Kumar, Girjesh; Dwivedi, Kshama // Jordan Journal of Biological Sciences;
Present investigation reports the mutagenic efficacy of sodium azide with a view to study its effects on meiotic behavior and phenotypic quantitative traits of Brassica campestris L. Seeds were treated with three concentration of sodium azide i.e. 0.3%, 0.5% and 0.7%, along with control....
- MORPHOLOGICAL AND ANATOMICAL STUDY ON ENDEMIC CROCUS OLIVIERI GAY SUBSP. ISTANBULENSIS MATHEW SUBSPECIES (IRIDACEAE).
Yetişen, Kadriye; Şen, Uğur; Yıldırım, Tuğba; Özdemir, Canan // Anadolu University of Sciences & Technology - C: Life Sciences &; 2013, Vol. 3 Issue 1, p31
In this study, morphological and anatomical properties of Crocus olivieri Gay subsp. istanbulensis Mathew were investigated. Cross-sections of root, scape and leaf parts of the plant were examined and demonstrated by photographs. Most of the anatomical properties are similar to the other member...
- Morphological and Anatomical Study on Crocus chrysanthus (Herbert) Herbert (Iridaceae).
ÖZDEMİR, Canan; AKYOL, Yurdanur; YETİŞEN, Kadriye; BOZDAĞ, Bahattin; KOCABAŞ, Okan // Journal of the Institute of Science & Technology / Fen Bilimleri; Mar2013, Vol. 3 Issue 1, p25
The study is based on anatomical and morphological investigations of Crocus chrysanthus (Herbert) Herbert (Iridaceae). Morphological and anatomical features of various organs of the plant such as root, stem, and leaf are given in detail and demonstrated by illustrations. It has been observed...
- Pharmacognostic Screening of Dendrophthoe falcata.
G., Baheti D.; S., Kadam S.; Ajay, Namdeo; B., Shinde P.; R., Agrawal M.; D., Argade P. // Pharmacognosy Journal; 2/1/2010, Vol. 2 Issue 6, p128
Preliminary pharmacognostical screening of crude drug as well as pet ether, chloroform, ethanol and water extracts were done on Dendrophthoe falcata (Loranthaceae). Dendrophthoe Falcata showed the presence of alkaloids, flavonoids, glycosides, reducing sugar, saponin, terpenoids, tannins and...
- Morfologia de sementes e plÃ¢ntulas de cÃ¡rtamos.
Fernandes Abud, Haynna; Roberto Gonçalves, Nayara; de Goes Esperon Reis, Rodrigo; Izabel Gallão, Maria; Innecco, e Renato // Revista CiÃªncia AgronÃ´mica; Apr2010, Vol. 41 Issue 2, p259
The safflower (Carthamus tinctorius L.) belongs to the Compositae or Asteraceae family, nowadays, it is used to adornment. The objective of this experiment was to determinate the biometry, to describe and to illustrate the external morphology of the seed. The essay was conducted at the...
- The feature of soil mantle in Kaliningrad.
Umansky, Anton; Kurkina, Marina; Dedkov, Victor // Vestnik IKBFU; 2012, Issue 7, p134
This article focuses on the main trends of changing in the morphological properties of urban soils. It was established that urbiquasisoils of a predominant sandy-loam grain-size composition and neutral medium reaction prevail in the Kaliningrad soil mantle. Soddy-podzol, soddy-gley, and brown...
- Primula x uzungolensis (Primulaceae): a new natural hybrid from NE Anatolia.
TERZÎOĞLU, Salih; COŞKUNÇELEBİ, Kamil; GÜLTEPE, Mutlu // Turkish Journal of Botany; 2012, Vol. 36 Issue 1, p9
Primula x uzungolensis TerzioÄŸlu & CoÅŸkunÃ§elebi, a natural hybrid from north-eastern Anatolia, is described and illustrated with its parents. Based on its morphology and molecular characteristics, we conclude that P x uzungolensis is a new natural hybrid between P acaulis (L.) Hill...
- Lectotypification, description, and distribution of Arabis deflexa (Cruciferae).
MUTLU, Birol; ERİK, Sadık // Turkish Journal of Botany; 2012, Vol. 36 Issue 1, p21
In this paper, a lectotype for Arabis deflexa Boiss. is designated, and detailed morphological properties and differences between related taxa and a distribution map are given. Furthermore, an IUCN threat category is proposed.
- A new species of Ornithogalum (Hyacinthaceae) from East Anatolia, Turkey.
MUTLU, Birol; KARAKUŞ, Şükrü // Turkish Journal of Botany; 2012, Vol. 36 Issue 2, p125
Ornithogalum malatyanum Mutlu is described as a new species from Malatya Province, East Anatolia, Turkey. A description, photographs, and an identification key including related species are given. The International Union for Conservation of Nature threat category and observations on the ecology...
- Efeito da IntervenÃ§Ã£o Cultural na CaracterizaÃ§Ã£o MorfolÃ³gica de Diferentes ProveniÃªncias de Quercus suber.
Patricio, Maria do Sameiro; Nunes, Luis; Almeida, Maria Helena // Silva Lusitana; jun2013 especial, Vol. 21 Issue Especial, p87
The cork oak (Quercus suber L.) is a very important species in Mediterranean areas for economic, ecological and environmental reasons. It is a species with high potential of expansion considering the scenarios of climate change. Despite its importance, cork oak adaptability to environmental...
- Argostemma glabra (Rubiaceae), a new species from Vietnam.
Ritesh Kumar Choudhary; Tran The Bach; Do Van Hai; Bui Hong Quang; Sang-Hong Park; Changyoung Lee; Joongku Lee // Annales Botanici Fennici; Aug2013, Vol. 50 Issue 4, p258
Argostemma glabra Joongku Lee, T.B. Tran & R.K. Choudhary, a new species of Rubiaceae from Khanh Hoa Province of Vietnam is described and illustrated. It is morphologically similar to A. apiculatum, but differs in its creeping habit, 4-6 flowered inflorescence, bigger and triangular bracts,...
- Ochyrella ortiziana (Orchidaceae, Spiranthoideae), a new species from Colombia.
Szlachetko, Dariusz L.; Lamczyk, Michał; Baranow, Przemysław // Annales Botanici Fennici; Aug2013, Vol. 50 Issue 4, p284
Ochyrella ortiziana Szlach., Lamczyk & Baranow sp. nova (Orchidaceae, Spiranthoideae) is described and illustrated from Colombia, implying the first record of the genus for the country. Notes concerning the morphologically closest siblings of O. ortiziana are provided. A key for determination of...
- COMBINING ABILITIES OF NEW INBRED LINES OF SUNFLOWER.
ĆIRIĆ, Mihajlo; JOCIĆ, Siniša; CVEJIĆ, Sandra; JOCKOVIĆ, Milan; ČANAK, Petar; MARINKOVIĆ, Radovan; IVANOVIĆ, Mile // Genetika (0534-0012); 2013, Vol. 45 Issue 2, p289
Combining abilities for plant height and head diameter of ten sterile Alines, three restorers - RF lines and their (10x3) F1-hybrids were examined by line x tester method. Significant differences were found between A-lines, RFlines (testers) and their hybrids. The highest mean for plant height...
- Salvia meera, S. rogersiana, S. santanae and S. concolor var. iltisii (Lamiaceae), three new species and a variety from Jalisco, Mexico.
González-Gallegos, Jesús Guadalupe; Vázquez-García, José Antonio; Santana-Michel, Francisco Javier; Cuevas-Guzmán, Ramón; Guzmán-Hernández, Luis // Revista Mexicana de Biodiversidad; 2012, Vol. 83 Issue 3, p591
As part of a major project on the genus Salvia in the state of Jalisco and adjacent areas, Mexico, 4 new taxa of Salvia L. are described and illustrated. Identification Keys for the related species and comparison tables of morphological characters are given. Three of them were tentatively...
- A NEW WAY TO IDENTIFY LIVING SPECIES OF NEPENTHES (NEPENTHACEAE): MORE DATA NEEDED!
BEVERIDGE, NILS G. P.; RAUCH, CESSA; KEßLER, PAUL J. A.; VAN VUGT, ROGIER R.; VAN WELZEN, PETER C. // Carnivorous Plant Newsletter; Dec2013, Vol. 42 Issue 4, p122
The article presents a study which examined whether the variables possessed by the pitchers of carnivorous plant Nepenthes have a mathematical relationship in each of the species. The volume, height and width of the pitchers were measured. Tables showing the measurements of species and...
- Phylogeny of the genus Mallomonas (Synurophyceae) and descriptions of five new species on the basis of morphological evidence.
BOK YEON JO; WOONGGHI SHIN; HAN SOON KIM; SIVER, PETER A.; ANDERSEN, ROBERT A. // Phycologia; May2013, Vol. 52 Issue 3, p266
We used a molecular analysis based upon three genes, coupled with the ultrastructure of scales and bristles, to investigate phylogenetic relationships within Mallomonas, with a focus on the section Planae. Fossil taxa discovered in Middle Eocene lacustrine deposits from northwestern Canada were...
- Transfer of the red alga Gelidium zollingeri Sonder (Gelidiales) to Yonagunia (Halymeniales) based on morphological and molecular evidence.
GA HUN BOO; JEONG KWANG PARK; GREVO S. GERUNG; SUNG MIN BOO // Phycologia; May2013, Vol. 52 Issue 3, p279
An examination of the type specimen of Gelidium zollingeri Sonder showed that it was incorrectly placed in Gelidiurn. To determine the appropriate taxonomic position, we undertook a detailed morphological examination of the holotype (National Herbarium of Victoria, Australia) as well as fresh...
- New species of the genus Epistephium (Orchidaceae, Vanilloideae).
Szlachetko, Dariusz; Mytnik-Ejsmont, Joanna; Baranow, Przemyslaw // Plant Systematics & Evolution; Oct2013, Vol. 299 Issue 8, p1519
The morphological study of the herbarium material representing Epistephium (Orchidaceae, Vanilloideae) led to the discovery of two groups of specimens that significantly differ from all known species of the genus. The results of literature data study and of comparative analysis of those and...
- The effects of rising atmospheric carbon dioxide on shoot-root nitrogen and water signaling.
Easlon, Hsien Ming; Bloom, Arnold J. // Frontiers in Plant Science; Aug2013, Vol. 4, p1
Terrestrial higher plants are composed of roots and shoots, distinct organs that conduct complementary functions in dissimilar environments. For example, roots are responsible for acquiring water and nutrients such as inorganic nitrogen from the soil, yet shoots consume the majority of these...
- MORPHOLOGICAL VARIATION OF CENTAUREA ATROPURPUREA WALDST. ET KIT. SPECIES (SUBGENUS LOPHOLOMA) FROM TRANSYLVANIA (ROMANIA).
VONICA, Ghizela; TODORUȚ, Andreea; BĂDĂRĂU, Sabin // Acta Oecologica Carpatica; 2012, Vol. 5, p39
Centaurea atropurpurea is a xeromesophyte species encountered increasingly rarely in the SW of the Transylvanian depression. The species prefers rocky areas or meadows with southern exposure and a rich substrate in CaCO3. Morphological studies have singled out the existence of two different...
- Identification of Debris Phenomena in Pine Trees, and Ways of their Management.
BURDUHOS, Petru; OROIAN, Ioan Gh.; COVRIG, Ilie; HOLONEC, Liviu; ŞULEA, Constantin // Bulletin of the University of Agricultural Sciences & Veterinary; 2013, Vol. 70 Issue 2, p321
The most important studies performed worldwide with presented specific methods, supply the possibility of elaborating our review study in: pine seedling physiology and the importance to survival and growth of pine seedling physiology, identification of the environmental factors that are critical...