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

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.