PlantaeAsparagalesOrchidaceaeRaskotiBhakta BahadurSchuitemanAndréJinWei-TaoJinXiao-HuaA taxonomic revision of Herminium L. (Orchidoideae, Orchidaceae)PhytoKeys194201720177917410.3897/phytokeys.79.11215 Herminium wangianum X.H. Jin, Schuit., Raskoti & L.Q. Huang, Cladistics 2015.Herminium spirale(Not) (A. Rich.) Rchb. f., Bonplandia (Hannover) 3: 213. 1855 (= Benthamia africana (Lindl.) Hermans). Replaced name.

Androcorys spiralis Tang & F. T. Wang, Bull. Fan Mem. Inst. Biol. Bot. 10: 38. 1940.

Type.

CHINA. Tibet, Chayu, 3500 m, 09.1935, Wang C.W., 66285 (PE!).

Description.

Plant 5–12 cm tall. Tuber globose, 5–8 mm in diam. Stem slender, with 2 tubular sheaths and 1 leaf at base. Leaf oblong, 2–2.5 × 0.8–1 cm, apex obtuse. Inflorescence 4–5 cm, ebracteate, rachis 2–2.5 cm, 3–8-flowered; floral bracts spirally twisted, linear, shorter than ovary, apex acuminate. Flowers green; ovary and pedicel, fusiform, apex shortly beaked, 3–7 mm. Dorsal sepal broadly ovate-elliptic, concave, 1.5–2 × 1.3–1.8 mm, apex apiculate; lateral sepals spreading, oblong-lanceolate, 2–2.5 × 1–1.2 mm, apex obtuse. Petals oblong, oblique, 1.3–2 × 0.5–0.7 mm, apex obtuse. Lip linear-lingulate, 1.8–2.1 mm, fleshy, base dilated and ca. 0.8 mm wide, apex obtuse. Column short, anther with 2 divergent, hooded locules and broad connective; pollinia 2, clavate, attached to a viscidium by short caudicle; rostellum triangular; stigma 2 pulvinate, attached to base of rostellum.

Flowering time.

September.

Habitat.

Forested slopes at elevations of 2800–4800 m.

Distribution.

China (Sichuan, Xizang, Yunnan).

Specimen examined.

CHINA: Qinghai, Zadoi county, 4800 m, 25.07.1965, Liu S. W., 217 (PE); Sichuan, Muli county, 2800 m, 15.08.1937, Yu T. T., 7736 (PE); Tibet, Zayu county, 3500 m, 09.1935, Wang C. W., 66285 (PE); Zayu county, 2800 m, 08.1938, Wang Q. W., 65222 (PE); Zayu county, Chawalong, 3200 m, 08.1935, Wang C. W., 65782 (PE); Nyalam county, 4600 m, 20.08.2010, PE-Tibet Team, 01640 (PE).