Herminium, Opera Var.: 251. 1758.

Raskoti, Bhakta Bahadur, Schuiteman, Andre, Jin, Wei-Tao & Jin, Xiao-Hua, 2017, A taxonomic revision of Herminium L. (Orchidoideae, Orchidaceae), PhytoKeys 79, pp. 1-74 : 6

HERMINIUM Opera Var.: 251. 1758.

Androcorys Schltr., Repert. Spec. Nov. Regni Veg. Beih. 4: 52. 1919. Type species: Androcorys ophioglossoides Schltr.

Bhutanthera J. Renz, Edinburgh J. Bot. 58: 99. 2001. Type species: Bhutanthera albomarginata (King & Pantl.) J.Renz

Cybele Falc. in Lindl., Veg. Kingd., ed. 2: 183c. 1847, nom. inval.

Frigidorchis Z.J. Liu & S.C. Chen, J. Fairylake Bot. Gard. 6: 14. 2007. Type species: Frigidorchis humidicola Z.J. Liu & S.C. Chen

Monorchis Ség., Pl. Veron. 3: 251. 1754. Type species: Monorchis herminium O.Schwarz

Porolabium T. Tang & F.T. Wang, Bull. Fan Mem. Inst. Biol., Peiping, Bot. Ser. 10: 36. 1940. Type species: Porolabium biporosum (Maxim.) Tang & F. T. Wang

Thisbe Falc. in Lindl., Veg. Kingd., ed. 2: 183c. 1847, nom. inval.

Type species.

Herminium monorchis (L.) R.Br.

Description.

Herbs; terrestrial or occasionally epiphytic. Tubers unbranched, globose to oblong-ellipsoid. Stem erect, one-to several-leaved. Leaves basal to cauline. Inflorescence racemose or rarely subcorymbose. Flowers erect, horizontal, or nodding; ovary and pedicel straight or arcuate, beaked. Sepals subequal; dorsal sepal connivent with petals and forming a hood; lateral sepals spreading, oblique. Petals usually thickened and fleshy; lip base shallowly concave, saccate or shortly spurred. Column very short; pollinia 2, granular-farinaceous, sectile, each attached to a viscidium via caudicle; viscidia often involute and hornlike, naked; rostellum triangular, with arm-like lobes; stigma lobes 2, free, raised, clavate or pulvinate; staminodes 2, usually prominent. Fruit usually erect, oblong to fusiform.