De La Luz Arreguin-Sanchez, Ma.; Palacios-Chavez, Rodolfo; Quiroz-Garcia, David Leonor; Ramos-Zamora, Delfina
December 1988
Acta Botanica Mexicana;dic1988, Issue 4, p21
Academic Journal
The pollen morphology of the Polygalaceae of the Valley of Mexico is studied using LM and SEM, for all seven species: Monnina ciliolata DC., Polygala alba Nutt., P. appressipilis Blake, P. compacta Rose, P. myniltoides Willd., P. mexicana Moc. and P. subalata S. Wats. Pollen grains belonging to the family do not present great differences in ornamentation, form or size at the generic or specific levels: nevertheless, the taxa studied can be divided into two groups based on furrow number. Polygala alba, P. mexicana and P. subalata all have 8 to 10 furrows, while Monnina ciliolata, P. appressipilis, P. compacta and P. myrtiltoldes have 14 to 20. Comparing the taxonomic studies in Polygala with the present pollen study, it is observed that the species with 8 to 10 furrows correspond to subgenus Orthopolygala {subg. Polygala) and the species with 14 to 20 furrows to subgenus Hebecarpa (Blake, 1916).


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