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Floral elaiophores in Lockhartia Hook. (Orchidaceae: Oncidiinae): their distribution, diversity and anatomy
Author(s) -
Mario A. Blanco,
Kevin L. Davies,
Małgorzata Stpiczyńska,
Barbara S. Carlsward,
Gretchen M. Ionta,
Günter Gerlach
Publication year - 2013
Publication title -
annals of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.567
H-Index - 176
eISSN - 1095-8290
pISSN - 0305-7364
DOI - 10.1093/aob/mct232
Subject(s) - trichome , biology , cuticle (hair) , botany , vacuole , genus , cytoplasm , ultrastructure , anatomy , microbiology and biotechnology
A significant proportion of orchid species assigned to subtribe Oncidiinae produce floral oil as a food reward that attracts specialized bee pollinators. This oil is produced either by glabrous glands (epithelial elaiophores) or by tufts of secretory hairs (trichomal elaiophores). Although the structure of epithelial elaiophores in the Oncidiinae has been well documented, trichomal elaiophores are less common and have not received as much attention. Only trichomal elaiophores occur in the genus Lockhartia, and their distribution and structure are surveyed here for the first time.

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