Research Paper

Chiritopsis hezhouensis (Gesneriaceae) from Karst Caves in Guangxi, China

Wang-Hui Wu, Wei-Bin Xu and Lei Wu

Published on: 15 June 2011

Page: 132 - 137

DOI: 10.6165/tai.2011.56(2).132

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2011 vol.56 no.2 pp.132-137

Abstract

Chiritopsis hezhouensis W. H. Wu & W. B. Xu, a new species of Gesneriaceae from karst caves in Guangxi, China, is described and illustrated. The new species is similar to C. glandulosa D. Fang, L. Zeng et D. H. Qin in the leaf shape, but differs in leaf, peduncle and pedicel glandular-pubescent, bracts lanceolate, appressed glandular-pubescent, flowers congested, calyx 2.5-3 × ca. 1 mm, outside puberulent and sparsely glandular-puberulent, corolla 3-5 mm long, glabrous, constricted at the mouth, limb retrocurved, indistinctly 2-lipped, stamens, pistil and disc glabrous.

中文摘要

本研究報導了廣西石灰岩地區苦苣苔科小花苣苔屬Chiritopsis W. T. Wang一新種 – 賀州小花苣苔(Chiritopsis hezhouensis W. H. Wu & W. B. Xu)。該種在葉子形狀上與紫腺小花苣苔(C. glandulosa D. Fang, L. Zeng et D. H. Qin)較相近, 但不同在於葉、花序梗及花梗被腺狀短柔毛,苞片披針形,被貼伏腺狀短柔毛,花密集,萼片大小爲長2.5-3毫米、寬約1毫米,花冠長3.5毫米,無毛,在口部縊縮,簷部反折,不明顯二唇形,雄蕊、雌蕊及花盤無毛。

Keyword: Chiritopsis, Gesneriaceae, karst cave, limestone flora, new species. 小花苣苔屬、苦苣苔科、岩溶洞穴、石灰岩植物區系、新種。