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植物研究 ›› 2021, Vol. 41 ›› Issue (2): 164-167.doi: 10.7525/j.issn.1673-5102.2021.02.002

• 植物新类群 • 上一篇    下一篇

中国陕西兰科1新种——巴山山兰

王勇   

  1. 陕西理工大学生物科学与工程学院,汉中 723000
  • 收稿日期:2020-05-15 出版日期:2021-03-20 发布日期:2021-01-05
  • 作者简介:王勇(1974—),男,讲师,博士,主要从事植物分类学研究。
  • 基金资助:
    2017年中医药公共卫生服务补助专项“全国中药资源普查项目”(财社〔2017〕66号);陕西理工大学科技创新团队资金支持

Oreorchis bashanensis Wang Yong, a New Species of Orchidaceae from Shaanxi, China

Yong WANG   

  1. School of Biological Science and Engineering,Shaanxi University of Technology,Hanzhong 723000
  • Received:2020-05-15 Online:2021-03-20 Published:2021-01-05
  • About author:WANG Yong(1974—),male,lecturer,doctor degree,majoring in plant taxonomy.
  • Supported by:
    Chinese Medicine Public Healthcare Service Project “National Investigation of Chinese Medicine”(Grant No.2017(66));Science and Technology Innovation Team of Shaanxi University of Technology

摘要:

报道了发现于陕西省大巴山地区的山兰属植物新种——巴山山兰(Oreorchis bashanensis),该种与山兰(O.patens)接近,主要区别在于前者先花后叶,假鳞茎较大,叶2~3枚,叶片较大,花唇瓣爪长度占总长1/2,唇瓣侧裂片直立,褶片在唇盘中央膨大为橙红色龙骨状附属物,并突出于唇瓣之上;后者四季常绿,叶1~2枚,叶片较小,花唇瓣爪长度约为总长1/4,唇瓣侧裂片镰曲,唇盘纵褶片脊状,白色至浅黄色。凭证标本藏于陕西理工大学植物标本馆(HZTC)。

关键词: 兰科, 新种, 陕西

Abstract:

A new species of Orchidaceae, Oreorchis bashanensis Wang Yong from Dabashan mountain area in Shaanxi was reported. The species was closely related to O.patens. Comparing with O.patens, the new species was decedious. The leaves fell during its flowering period. During its nutritional growth period, there were 2-3 leaves on each individual. It had larger pseudobulb and leaf blade. The lateral petals were erect. The claw of lip petal was about half the length of the whole lip petal. The orange callus protruded between lateral lobes on lip. However, O.patens was evergreen, and it had 1-2 leaves on each individual. The claw of lip petal was about 1/4 the length of the whole. The lateral petals were curved. The longitudinal lamellae was white or pale yellow. The type specimens were deposited in Herbarium of Shaanxi University of Technology(HZTC).

Key words: Orchidaceae, new species, Shaanxi Province

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