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- Title
A new species of Begonia (Begoniaceae) from Guangxi, China.
- Authors
Hong-Zhe Li; Hong Ma; Zhe-Kun Zhou; Kai-Yun Guan
- Abstract
Begonia gigabracteata H.Z. Li & H. Ma sp. nov. ( Begonia section Diploclinium, Begoniaceae) is described and illustrated from North Guangxi Zhuang Autonomous Region, south-west China. Its chromosome number (2 n = 30) and pollen and seed micromorphology are reported. This species grows in ravines on damp or slightly moist limestone. It is morphologically similar to B. summoglabra T.T. Yü (section Reichenheimia) and B. labordei H. Lél. (section Diploclinium). However, it differs by its sparse glandular hairs, number of perianth segments, colour of venation on the abaxial blade, and unique heteromorphous bracts. A line drawing and plate of B. gigabracteata and a photograph of the type of B. summoglabra are presented as an aid to identification. © 2008 The Linnean Society of London, Botanical Journal of the Linnean Society, 2008, 157, 83–90.
- Subjects
GUANGXI Zhuangzu Zizhiqu (China); CHINA; BEGONIACEAE; PLOIDY; POLLEN
- Publication
Botanical Journal of the Linnean Society, 2008, Vol 157, Issue 1, p83
- ISSN
0024-4074
- Publication type
Article
- DOI
10.1111/j.1095-8339.2008.00771.x