Begonia liuyanii (sect. Coelocentrum, Begoniaceae), a new species from limestone areas in Guangxi, China

被引：2
|
作者：
Peng, CI [1 ]
Ku, SM
Leong, WC
机构：
[1] Acad Sinica, Res Ctr Biodivers, Herbarium, Taipei 115, Taiwan
[2] Natl Cheng Kung Univ, Dept Life Sci, Tainan 701, Taiwan
来源：
BOTANICAL BULLETIN OF ACADEMIA SINICA | 2005年 / 46卷 / 03期
关键词：
Begonia filiformis; Begonia huyanii; Begonia masoniana; Begoniaceae; China; chromosome number; Guangxi; limestone flora; new species; rare species; sect; Coelocentrum;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Begonia liuyanii, a new species of sect. Coelocentrum from limestone areas in southwestern Guangxi Zhuang Autonomous Region, China, is described and illustrated. A somatic chromosome number of 2n = 30 was determined. Begonia liuyanii is similar to B. filiformis in having small flowers and glandular-hispid inflorescences but is distinguishable by its larger leaves (16-38 x 12-32 cm vs. 9-22 x 9-14 cm), sparsely setose (vs. tomentose) upper surface of the leaves, maculation absent (vs. with white maculation in intercostal area on adaxial leaf surface), and usually thyrsoid (vs. cymose) inflorescence.
引用
收藏
页码：245 / 254
页数：10
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