中国广西石灰岩地区苦苣苔科一新种——鹿寨唇柱苣苔

Chirita luzhaiensis, A New Species of Gesneriaceae from Limestone Areas in Guangxi, China

摘要:

描述了中国广西石灰岩地区苦苣苔科(Gesneriaceae)1新种——鹿寨唇柱苣苔(Chirita luzhaiensis Yan Liu, Y. S. Huang & W. B. Xu)。 该种与桂林唇柱苣苔(Chirita gueilinensis W. T. Wang) 相似, 但叶面被长柔毛和短柔毛, 花药无毛, 花丝近基部膝状弯曲, 退化雄蕊3枚, 无毛, 花期12月至次年1月可与后者区别。目前, 鹿寨唇柱苣苔仅见于广西鹿寨县中渡镇的两个石灰岩山洞中。

Abstract:

Chirita luzhaiensis Yan Liu Y. S. Huang & W. B. Xu, a new species of Gesneriaceae from limestone areas in Guangxi, China, is described and illustrated. The new species is similar to Chirita gueilinensis W. T. Wang, but it differs in its leaf-surface villous and pubescent adaxilly, anthers glabrous, filaments geniculate near base, staminodes 3, glabrous, and flowering period from December to January of the following year. It was only found in two karst caves from Zhongdu Town of Luzhai County, Guangxi, China.