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- Title
A taxonomic revision and pollen morphology of the genus Dendrokingstonia (Annonaceae).
- Authors
CHAOWASKU, TANAWAT; KEßLER, PAUL J. A.; VAN DER HAM, RAYMOND W. J. M.
- Abstract
The genus Dendrokingstonia (Annonaceae) is taxonomically revised and palynologically studied. Three species are recognized, one of which, D. gardneri, is described as new to science. One new combination, D. acuminata, is made. The genus occurs from southern Thailand to Peninsular Malaysia and Sumatra. On the basis of macromorphology and pollen characters, it is considered to be related to Monocarpia. Both genera show a combination of macromorphological characters that is rare in the family, i.e. considerably enlarged stigmas, leaves with percurrent tertiary veins, a highly reduced number of carpels per flower and relatively large monocarps with a thick, hard wall. Scanning and transmission electron microscopy show that the pollen grains of Dendrokingstonia and Monocarpia are monosulcate monads with a columellate infratectum and a more or less bulging intine at the sulcus. © 2011 The Linnean Society of London, Botanical Journal of the Linnean Society, 2012, 168, 76-90.
- Subjects
POLLEN morphology; ANNONACEAE; PLANT classification; PALYNOLOGY; PLANT species; TRANSMISSION electron microscopy; SCANNING electron microscopy
- Publication
Botanical Journal of the Linnean Society, 2012, Vol 168, Issue 1, p76
- ISSN
0024-4074
- Publication type
Article
- DOI
10.1111/j.1095-8339.2011.01187.x