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Tigridiopalma exalata, a new and endangered species of Melastomataceae from China

文献类型： 外文期刊

作者： Zeng, Si-Jin 1 ; Xu, Ye-Chun 3 ; Wang, Gang-Tao 2 ; Jia, Peng 5 ; Cui, Da-Fang 1 ;

作者机构： 1.South China Agr Univ, Coll Forestry & Landscape Architecture, Guangdong Key Lab Innovat Dev & Utilizat Forest P, Guangzhou 510642, Guangdong, Peoples R China

2.Chinese Acad Sci, Key Lab Plant Resources Conservat & Sustainable U, South China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China

3.Guangdong Acad Agr Sci, Environm Hort Res Inst, Guangdong Prov Key Lab Ornamental Plant Germplasm, Guangzhou 510640, Guangdong, Peoples R China

4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

5.Guangzhou Inst Forestry & Landscape Architecture, Guangzhou 510420, Guangdong, Peoples R China

关键词： Chinese melastomes; Guangdong; monospecific genus; new species; Sonerileae

期刊名称：PHYTOKEYS （ 影响因子：1.225； 五年影响因子：1.222 ）

ISSN： 1314-2011

年卷期： 2021 年 176 期

页码：

收录情况： SCI

摘要： A new species of the genus Tigridiopalma, formerly considered monotypic, is here described as T. exalata and illustrated based on molecular and morphological evidence. It is morphologically similar to T. magnifica in having a short stem, huge basal leaves, scorpioid cymes, and 5-merous flowers, but differs in having ribbed and pale yellow puberulent petioles, purple petals with a small white apical patch, connectives of longer stamens with a distinct dorsal short spur at their base, and wingless capsules. Due to the restricted distribution, small populations and horticultural potential of this new species, it should be categorized as an Endangered species (EN).

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