Novelties in Begonia sect. Platycentrum for China: B. crocea, sp nov and B. xanthina Hook., a new distributional record

	Novelties in Begonia sect. Platycentrum for China: B. crocea, sp nov and B. xanthina Hook., a new distributional record
	Peng, CI ; Leong, WC ; Shui, YM
通讯作者	bopeng@sinica.edu.tw
	2006
发表期刊	BOTANICAL STUDIES
ISSN	1817-406X
卷号	47 期号:1 页码:89-96
摘要	Begonia crocea C.-I Peng, a new species from Yunnan province, China and B. xanthina Hook., a new distributional record for China are here reported and fully illustrated. Both of them are assignable to Begonia sect. Platycentrum. Unlike the great majority of Chinese species with white to pink flowers, B. crocea and B. xanthina are remarkable for bearing orange-red and yellow flowers respectively, which is of much horticultural attraction. Begonia crocea resembles B. megalophyllaria in aspect, differing mainly in having densely pilose petioles, the leaves being sparsely pilose abaxially, and having orange-red tepals. Plants of B. megalophyllaria are glabrous throughout and their tepals are white, sometimes tinged greenish. Begonia xanthina is somewhat similar to B. rex, a notable plant of tremendous horticultural interest, but is readily distinguishable by the yellow tepals and leaves that lack long setose hairs and horseshoe-shaped maculation. In B. rex the tepals are pinkish to pink and the leaves are setose and marked with a distinct grayish to pale greenish horseshoe-shaped band on the adaxial surface.
关键词	Begonia Begonia Crocea Begonia Megalophyllaria Begonia Rex Begonia Xanthina China New Distribution New Species Plant Taxonomy Yunnan
学科领域	Plant Sciences
收录类别	SCI
语种	英语
WOS记录号	WOS:000238610900010
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/3140
专题	中国科学院东亚植物多样性与生物地理学重点实验室
作者单位	1.Acad Sinica, Res Ctr Biodivers, Herbarium, Taipei 115, Taiwan 2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
推荐引用方式 GB/T 7714	Peng, CI,Leong, WC,Shui, YM. Novelties in Begonia sect. Platycentrum for China: B. crocea, sp nov and B. xanthina Hook., a new distributional record[J]. BOTANICAL STUDIES,2006,47(1):89-96.
APA	Peng, CI,Leong, WC,&Shui, YM.(2006).Novelties in Begonia sect. Platycentrum for China: B. crocea, sp nov and B. xanthina Hook., a new distributional record.BOTANICAL STUDIES,47(1),89-96.
MLA	Peng, CI,et al."Novelties in Begonia sect. Platycentrum for China: B. crocea, sp nov and B. xanthina Hook., a new distributional record".BOTANICAL STUDIES 47.1(2006):89-96.

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