TITLE

WING POLLINATION BY BEES IN MEXACANTHUS (ACANTHACEAE)?

AUTHOR(S)
Holmqvist, J. Per-Henrik; Manktelow, Mariette; Daniel, Thomas F.
PUB. DATE
April 2005
SOURCE
Acta Botanica Mexicana;2005, Issue 71, p11
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The monotypic genus Mexacanthus in the Acanthaceae is endemic to west central Mexico where the species M. mcvaughii T.F. Daniel grows. The flower structure is unusual with anthers and stigma positioned laterally, and a nectar barrier opened by force. A pollination study showed that the flowers are mainly visited by fork-tailed emerald Chlorostilbon canivetii (Lesson) and Mexican carpenter bee Xylocopa mexicanorum (Cockerell). Both species manage the nectar barrier and behave as pollinators. The hummingbird transferred pollen by its auricular area. The bee transferred pollen by its wings, which carried numerous pollen grains. Wing pollination is earlier known only from butterfly pollination.
ACCESSION #
20001300

 

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