农业研究与应用2025，Vol.38Issue(1)：1-8,8.DOI:10.20191/j.cnki.2095-0764.2025.01.001
广西大瑶山国家级自然保护区新记录种
A New Record of Species from Guangxi Day-aoshan National Nature Reserve——Rohdea brachyanthera
摘要
Abstract
[Objective]This study aimed to comprehensively ascertain the number of species and morphological characteristics of the Rohdea plants in Guangxi Dayaoshan National Nature Reserve,in order to lay a foundation for the future conservation,development,and utilization of wild germplasm resources of this genus.[Method]An extensive survey of plant diversity in Guangxi Dayaoshan National Nature Reserve was conducted based on quadrat and line transect methods.The plants seemed to be genus Rohdea Roth of Asparagaceae were first recorded,then collected and introduced to Guangxi Subtropical Crops Research Institute and cultivated.At flowering stage,spe-cies identification was conducted based on their morphological characteristics.[Result]The flowers of the population in Guangxi Dayaoshan National Nature Reserve was dissected.It was found that the population flowers had appendages connected with stamen on the top of perigone tube,but the differences from other species were the smooth inner surface of perianth and stamen,having six cos-tal protrusions in the inner surface of perigone tube,outward-expanding ring-shape succulent ap-pendage with smooth surface,and triangular filaments and appendages with expended base.[Con-clusion]Rohdea brachyanthera W.B.Liao,Y.N.Gong&H.Z.Feng has succulent ring-shape ap-pendage on the throat of the corolla tube.Its unique structure in perianth tube and filament differs it-self from the known species such as Rohdea japonica(Thunb.)Roth,Rohdea delavayi(Franch.)N.Tanaka and Rohdea wattii(C.B.Clarke)Yamashita&M.N.Tamura,making it a newly identi-fied species in Guangxi.This could provide scientific information and a reference for presevation,development and sustainable utilization of the germplasm resources of wild Rohdea plants.关键词
万年青属/新分布/植物多样性/广西大瑶山国家级自然保护区Key words
Rohdea Roth/new distribution/plant diversity/Guangxi Dayaoshan National Na-ture Reserve分类
生物学引用本文复制引用
孟开开,曲俊儒,卢丽燕,王丽萍,戴小华,孟涛..广西大瑶山国家级自然保护区新记录种[J].农业研究与应用,2025,38(1):1-8,8.基金项目
广西林业科技项目(桂林科字[2014]22号) （桂林科字[2014]22号）
广西农业科学院科技发展基金项目(GNK2023ZX06). （GNK2023ZX06）
