2019年度发表的苦苣苔科植物新种、新分类群和分布新记录（6）

The newest published taxa and newest record of Gesneriaceae from China before 31 December 2019 (6)

No.6 MENG-QIHAN, QUAN YUAN, TIAN-FENGLü, Li-Bing Zhang & Yan Liu

中国贵州苦苣苔科植物一新种——琦润石蝴蝶，以及光蕊石蝴蝶的补充资料和修订说明

Petrocosmea qiruniae (Gesneriaceae), a new species from Guizhou, China with

supplementary data and revised description of P. leiandra

KEW BULLETIN2019,(74): 22

摘要

描述和报道了中国贵州苦苣苔科一新种，琦润石蝴蝶Petrocosmea qiruniaeM.Q.Han, Li Bing Zhang & Yan Liu。新种在叶片形状和花冠类型与光蕊石蝴蝶P. leiandra(W.T.Wang) Z.J.Qiu最相似，尤其是花冠喉部颜色和雄蕊的被毛，还有另一个就是子房的形态。它是在一个叫做清徐的巨大上游洞穴的潮湿悬崖上发现的。此外，光蕊石蝴蝶，是由光蕊滇黔石蝴蝶P. martiniH.Lév. var.leiandraW.T.Wang从变种升级为种而来。此种在最初发表时缺乏描述性数据，本文补充了更多的形态学数据和修订的描述。

ABSTRACT

Petrocosmea qiruniaeM.Q.Han, Li Bing Zhang & Yan Liu (Gesneriaceae), a new species from Guizhou,China, is described and illustrated. It is most similar to P. leiandra(W.T.Wang) Z.J.Qiu in leaf blade shape and corolla type, especially in the colour of corolla throat and spots, indumentum of the stamens and the anther and ovary morphology. It was found on humid cliffs in an enormous limestone cave called the Qingxu Cave. In addition, Petrocosmea leiandra, based on P. martiniH.Lév. var. leiandra W.T.Wang, originally published with very few descriptive data, is supplemented with more morphological data and a revised description.

原文链接（Original article link）：http://www.ipni.org/urn:lsid:ipni.org:names:60478270-2

图. 1. 琦润石蝴蝶Petrocosmea qiruniae.

A 植株; B 成熟花朵的俯视图; C, D 成熟花朵的侧视图; E, F 剖开的花冠; G 雌蕊和雄蕊; H, J 生境.

Fig. 1. Petrocosmea qiruniae. A habit; B face view of mature flower; C, D side view of mature flower; E, F dissected corollas; G pistil and stamens; H, J habitat.

图. 2. 光蕊石蝴蝶Petrocosmea leiandra.

A 植株; B – D 成熟花朵的俯视图; E, F, G 成熟花朵是侧视图; H 剖开的花冠; J 雄蕊; K 雌蕊.

Fig. 2. Petrocosmea leiandra. A habit; B – D face view of mature flower; E, F, G side view of mature flower; H dissected corolla; J stamens; K pistil.