Key points are not available for this paper at this time.
A new species of Orchidaceae, Hemipilia huanglongensis D.J.Xie & R.B.Zhang, was discovered on steep karst slopes in northern Sichuan, China and is described and illustrated, based on morphological and molecular phylogenetic evidence. While morphologically similar to H. amplexifolia (Tang & F.T.Wang) Y.Tang and H.Peng, H. faberi (Rolfe) Y.Tang and H.Peng and H. tetraloba (Finet) Y.Tang and H.Peng, it can be distinguished by a squamose lip base with an upwardly protruding lamella, along with larger floral structures, including the sepals, petals, lip and ovary. Phylogenetic analyses, based on nuclear (ITS) and plastid ( mat K, rbc L) DNA sequences, further support its distinction from these three morphologically allied species.
Xie et al. (Wed,) studied this question.