Begonia blancii (sect. Diploclinium, Begoniaceae), a new species endemic to the Philippine island of Palawan

被引：0
|
作者：
Hughes, Mark [1 ]
Rubite, Rosario Rivera [2 ]
Kono, Yoshiko [3 ]
Peng, Ching-I [3 ]
机构：
[1] Royal Bot Garden Edinburgh, Edinburgh EH3 5LR, Midlothian, Scotland
[2] Univ Philippines, Dept Biol, Coll Arts & Sci, Manila, Philippines
[3] Acad Sinica, Biodivers Res Ctr, Herbarium, Taipei 115, Taiwan
来源：
BOTANICAL STUDIES | 2011年 / 52卷 / 02期
关键词：
Begonia blancii; Begonia gueritziana; Begonia suborbiculata; Chromosome number; Leaf anatomy; New species; Palawan; Philippines; Stomata;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A new species of Begonia in sect. Diploclinium, B. blancii M. Hughes & C.-I Peng, is described from the Bulalakaw Falls area in Palawan. A somatic chromosome number of 2n = 30 was determined. Begonia blancii is allied to B. suborbiculata and other 2-locular species in Begonia sect. Diploclinium, but is very distinct in having triangular-spathulate leaves. It shares clustered stomata with a number of other Begonia species, which are likely to help it reduce water loss through transpiration during the dry season. Its IUCN status is considered to be Least Concern.
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收藏
页码：203 / 209
页数：7
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