Alseodaphnopsis: A new genus of Lauraceae based on molecular and morphological evidence

被引：21
|
作者：
Mo, Yue-qing [1 ,2 ]
Li, Lang [1 ]
Li, Jian-wu [3 ]
Rohwer, Jens G. [4 ]
Li, Hsi-wen [5 ]
Li, Jie [1 ]
机构：
[1] Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Ctr Integrat Conservat, Plant Phylogenet & Conservat Grp, Kunming, Yunnan, Peoples R China
[2] Univ Chinese Acad Sci, Beijing, Peoples R China
[3] Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Herbarium HITBC, Menglun, Yunnan, Peoples R China
[4] Univ Hamburg, Biozentrum Klein Flottbek, Hamburg, Germany
[5] Chinese Acad Sci, Kunming Inst Bot, Herbarium KUN, Kunming, Yunnan, Peoples R China
来源：
PLOS ONE | 2017年 / 12卷 / 10期
关键词：
SEQUENCES; INFERENCE; MRBAYES; GENERA; MODEL;
D O I：
10.1371/journal.pone.0186545
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
An investigation of a questionable species of the genus Alseodaphne led to the discovery of a new genus Alseodaphnopsis H.W.Li &J.Li,gen.nov., separated from Alseodaphne Nees, and a new species Alseodaphnopsis ximengensis H.W.Li & J.Li,sp.nov., endemic to Yunnan province, China. This new species is characterized by having big, axillary, paniculate inflorescences, as well as large, subglobose fruits. Based on DNA sequence data from two gene regions (nuclear ribosomal ITS and LEAFY intron II), we investigate its phylogenetic position within the Persea group. Phylogenies using maximum parsimony (MP) and Bayesian inference (BI) support the recognition of Alseodaphnopsis as a distinct genus but do not resolve well its relationship within the Persea group. The new genus is circumscribed, eight new combinations for its species are made, and a description and illustration of the new species are provided.
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页数：14
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