Orchis provincialis, Balbis, 1806

D. M. Moore (ed.), 1980, CCIII Orchidaceae, Flora Europaea, Vol 5: Alismataceae to Orchidaceae, Camebridge: Cambridge University Press, pp. 325-350 : 341

20. O. provincialis Balbis ,

Mém. Acad. Sei. (Turin) 1805-1808: 20 (1806)

. Tubers subglobose or ovoid. Stem 15-35 cm, erect, with 2-5 leaves at the base and sheaths above. Leaves lanceolate or oblong-lanceolate. Spike cylindrical. Bracts lanceolate, 1 - to 3-veined, at least as long as ovary. Flowers pale yellow, or white with deep yellow labellum, with slight odour. Outer perianth-segments 9-11 mm, ovate-oblong, obtuse, the 2 lateral deflexed, the median erect; inner smaller, obliquely oblong. Labellum suborbicular, 3-lobed; lateral lobes rounded; middle lobe small, orbicular-truncate, scarcely longer than the lateral. Spur cylindrical, patent, as long as or longer than ovary. 2n = 42.

5. Europe. A 1 Bu Co Cr Ga Gr He Hs It Ju Rs (K) Sa Si.