Gastrodia qingyunshanensis (Orchidaceae: Epidendroideae)-a new holomycotrophic orchid from Guangdong, China

被引：0

作者：

Shi, Shi ^{[1
,3
]}

Yang, Haijun ^{[2
]}

Wei, Xuefen ^{[1
,3
]}

Liang, Qianyu ^{[1
]}

Yang, Xindong ^{[4
]}

Zeng, Xianxing ^{[4
]}

Xie, Chonglin ^{[4
]}

Chen, Liubao ^{[4
]}

Huang, Qinghua ^{[4
]}

Zeng, Guohong ^{[5
]}

Jiang, Zhurong ^{[6
]}

Xu, Han ^{[7
]}

Huang, Jiuxiang ^{[1
,3
]}

机构：

[1] South China Agr Univ, Guangdong Key Lab Innovat Dev & Utilizat Forest P, Guangzhou 510640, Peoples R China

[2] South China Agr Univ, Basic Expt & Practice Training Ctr, Guangzhou 510640, Peoples R China

[3] South China Agr Univ, South China Limestone Plants Res Ctr, Coll Forestry & Landscape Architecture, Guangzhou 510640, Peoples R China

[4] Wengyuan Qingyunshan Prov Nat Reserve, Adm Off, Shaoguan 512600, Peoples R China

[5] Forestry Bur Wengyuan Cty, Shaoguan 512600, Peoples R China

[6] Wengjiangyuan Natl Wetland Pk, Adm Off, Shaoguan 512600, Peoples R China

[7] Chinese Acad Forestry, Res Inst Trop Forestry, Guangzhou 510520, Longdong, Peoples R China

来源：

PHYTOTAXA | 2021年 / 483卷 / 02期

关键词：

Gastrodia; holomycotrophic orchid; Epidendroideae; Orchidaceae; ISLAND;

D O I：

10.11646/phytotaxa.483.2.10

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A new species of Gastrodia (Orchidaceae: Epidendroideae, Gastrodieae), G. qingyunshanensis, is described and illustrated from Guangdong, China. It is closely related to G. appendiculata C. S. Leou & N. J. Chung but can be distinguished by an urceolate (vs bell-like) and dark brown (vs pale greenish brown) perianth tube, the smaller petals (2.5 x 1.6 mm vs 4-5 x 5-6 mm), the shape of lip (oblong, 3x1.6mm vs ovate, 6-7x5mm), lack of elevated calli at the base of petal (vs having calli), and an appendage shorter than column (vs equal to column). The new species is only reported to occur on Qingyunshan Nature Reserve, Wengyuan County, China, and it is proposed to be Vulnerable (VU) according to the IUCN criteria.

引用

页码：177 / 182

页数：6

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