New distribution records of two bamboo species in Yunnan, China with description of the inflorescence for Melocalamus yunnanensis (Poaceae, Bambusoideae)

被引：8
作者：
Zhang, Yu-Xiao [1 ,2 ]
Ye, Xia-Ying [1 ,3 ]
Yang, Hong-Mei [4 ,5 ]
Zhang, Xian-Zhi [6 ]
Wang, Ping-Yuan [7 ]
Li, De-Zhu [1 ,2 ]
机构：
[1] Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming 650201, Peoples R China
[2] Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Peoples R China
[3] Univ Chinese Acad Sci, Kunming Coll Life Sci, Kunming 650201, Peoples R China
[4] Fairylake Bot Garden, Key Lab Southern Subtrop Plant Divers, Shenzhen 518004, Peoples R China
[5] Chinese Acad Sci, Shenzhen 518004, Peoples R China
[6] Northwest A&F Univ, Coll Forestry, Yangling 712100, Shaanxi, Peoples R China
[7] Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Menglun 666303, Yunnan, Peoples R China
来源：
PHYTOKEYS | 2016年 / 62期
基金：
中国国家自然科学基金;
关键词：
Ampelocalamus actinotrichus; Neomicrocalamus prainii; biogeographic implications; molecular discrimination; inflorescence; NUCLEAR GBSSI GENE; PHYLOGENETIC ANALYSES; DNA-SEQUENCES; BAMBUSEAE; EVOLUTION; ALLIES;
D O I：
10.3897/phytokeys.62.7276
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Ampelocalamus actinotrichus (Merrill & Chun) S. L. Chen, T. H. Wen & G. Y. Sheng and Neomicrocalamus prainii (Gamble) P. C. Keng are reported with new distribution records in southern and southeastern Yunnan, China, respectively. Ampelocalamus actinotrichus was previously recorded to be endemic to Hainan, China, and Neomicrocalamus prainii to be distributed in southern Tibet and western Yunnan in China, northeastern India, and Burma. The identities of individuals collected in southern and southeastern Yunnan of these two species are confirmed by molecular evidence. The new distribution record of Ampelocalamus actinotrichus provides a case at the species level for confirming floristic affinities of southern Yunnan and Hainan Island in south China. The disjunct distribution of Neomicrocalamus prainii in Yunnan is concordant with the ecogeographical diagonal line from northwestern Yunnan to southeastern Yunnan and this may imply a tropical origin of this species. In addition, the inflorescence of Melocalamus yunnanensis (T. H. Wen) T. P. Yi is described.
引用
收藏
页码：41 / 56
页数：16
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