Herminium monorchis, R. Br. in Aiton, 1813, 1813

D. M. Moore (ed.), 1980, CCIII Orchidaceae, Flora Europaea, Vol 5: Alismataceae to Orchidaceae, Camebridge: Cambridge University Press, pp. 325-350 : 331

1 . H. monorchis (L.) R. Br. in Aiton,

Hort. Kew. ed. 2, 5: 191 (1813).

Tuber solitary at anthesis, 2-4 others appearing later on slender, underground stolons. Plant 7-25 cm. Lower leaves 2— 3(—4), 20-70 x 3-10 mm, elliptic-oblong to linear-lanceolate, the upper 0-2, linear-subulate, bract-like. Spike 1 -5-9 cm, slender, sometimes secund, usually rather lax. Flowers yellowish-green, honey-scented. Outer perianth-segments 2-5-3 mm, ovate- lanceolate, obtuse, the inner c. 3-5 mm, oblong-lanceolate, often shallowly lobed near base. Labellum 3-5-4 mm; lobes oblong, the 2 lateral projecting at right angles or curved for­ wards, much shorter than the middle. 2n = 40.

Grassland.

Much of Europe, but absent from the extreme north and most of the Mediterranean region and the south-west. Au Be Br Bu Cz Da Fe Ga Ge He Ho |H u It Ju No Po Rm Rs (N, B, C, W, E) Su.