窄唇蜘蛛兰(原变种) zhai chun zhi zhu lan (yuan bian zhong)

Arhynchium labrosum Lindley & Paxton, Paxt. Fl. Gard. 1: 142. 1850; Arachnanthe bilinguis (H. G. Reichenbach) Bentham; Armodorum labrosum (Lindley & Paxton) Schlechter; Renanthera bilinguis H. G. Reichenbach; R. labrosa (Lindley & Paxton) H. G. Reichenbach.

Flowers pale yellow with reddish brown spots or markings mostly along margins and at apex. Petals ca. 2 mm wide.

Epiphytic on tree trunks at forest margins, lithophytic on rocks in valleys; 800-1200 m. Guangxi, Hainan, C and S Taiwan, S Yunnan [Bhutan, NE India, ?Japan (Ryukyu Islands), Myanmar, S Vietnam].