Sarcanthus succisus Lindley, Bot. Reg. 12: ad t. 1014. 1826; Cleisostoma virginale Hance; Oeceoclades paniculata Lindley; Pomatocalpa virginale (Hance) J. J. Smith; Robiquetia paniculata (Lindley) J. J. Smith; Saccolabium buccosum H. G. Reichenbach; Sarcanthus henryi Schlechter; Uncifera buccosa (H. G. Reichenbach) Finet ex Guillaumin.

Stems to 1 m, ca. 5 mm in diam., rigid, internodes ca. 2 cm. Leaves oblong, 6-12 × 1.5-2(-2.5) cm, subtruncate and praemorse. Inflorescence paniculate, 8-15 cm, subdensely many flowered; floral bracts subulate, ovate-lanceolate, 2-5 mm. Flowers 7-9 mm in diam., sepals and petals pale yellow or yellowish green, lip whitish, lateral lobes tinged purplish brown, spur yellowish green; pedicel and ovary 6-10 mm. Sepals broadly ovate, 4-5 × ca. 4 mm, concave, obtuse. Petals broadly obovate, 3-4 × ca. 2 mm, obtuse; lip 3-lobed; lateral lobes erect, ca. 4 × 2 mm, margin slightly undulate, apex obtuse; mid-lobe narrowly oblong, ca. 4 × 1 mm, fleshy, obtuse, with 2 high central connate lamellae; spur clavate, 3-4 × ca. 2 mm, cleft, interior with an oblate appendage on back wall and a lamellate appendage on front wall. Column ca. 3 mm; rostellum saddle-shaped, thick; anther cap caudate; stipe linear, ca. 3 mm; viscidium suborbicular. Capsule pendulous, cylindric, 2.5-3 × 0.7-1 cm, 5- or 6-ribbed. Fl. Jun-Sep, fr. Jul-Nov.

Epiphytic on tree trunks in open forests or on cliffs; 500-1200 m. C and S Fujian, W Guangdong, E Guangxi, Hainan, S and SW Yunnan [Bhutan, Cambodia, NE India, Laos, Myanmar, Thailand, Vietnam].