中国广西虾脊兰属一新种——弄岗虾脊兰

Calanthe longgangensis, A New Species of Calanthe (Orchidaceae) from Guangxi, China

摘要:

报道了分布于我国广西西南部的兰科(Orchidaceae)虾脊兰属(Calanthe R. Br.)一新种——弄岗虾脊兰(C. longgangensis Y.S. Huang & Yan Liu).该新种与泽泻虾脊兰(C. alismifolia Lindl.)相似,但根状茎明显,侧面萼片向上反卷,花瓣重叠,唇瓣侧裂片倒披针形、顶端斜截形,中裂片顶端微2 裂、基部具数列白色的胼胝体,花粉块棒状而与后者相区别.

Abstract:

Calanthe longgangensis Y. S. Huang & Yan Liu, a new species from southwestern Guangxi, China is described and illustrated. Based on morphological characters, it is similar to C. alismifolia Lindl., but differs in its rhizome conspicuous, lateral sepals upward reflexed, petals overlapping, lateral lobes of lip oblanceolate, apex obliquely truncate, mid-lob apex shallowly 2-lobed, disk with multiseriate white, wartlike calli at base, pollinia clavate.