Nigritella nigra (L.) Reichenb. fil. 1851

• Main Author: D. M. Moore (ed.)
• Format: Other/Unknown Material
• Language: unknown
• Published: Cambridge University Press 1980
• Subjects: Biodiversity; Taxonomy; Plantae; Tracheophyta; Liliopsida; Asparagales; Orchidaceae; Nigritella; Nigritella nigra; Norway
• Online Access: https://zenodo.org/record/6283135; https://doi.org/10.5281/zenodo.6283135

1. N.nigra (L.) Reichenb. fil., Icon FI. Germ. 13-14: 102 (1851) (Gymnadenianigra (L.) Reichenb.). Stems 5-30 cm, somewhat angled, rather slender. Leaves 3-20 cm, linear to linear-lanceolate, acute to subobtuse, canaliculate, with denticu­ late margins. Spike 10-25 cm, many-flowered. Flowers 5-10 mm. Perianth-segments lanceolate to sublinear, acute. Labellum subtriangular to lanceolate-ovate, acuminate, entire or some­ times crenulate. Spur saccate, obtuse, violet or whitish. 2n = 64. Meadows; somewhat calcicole. Norway and Sweden; mountains of Europe southwards to N. Spain, C. Appennini and S. Greece. Al Au Bu Ga Ge Gr He Hs It Ju No Rm Su. 1 Lateral inner perianth-segments c.1 /2as wide as the outer; flowers usually blackish-crimson (a) subsp.nigra 1 Lateral inner perianth-segments about as wide as the outer; flowers red to whitish 2 Spike ±cylindrical; basal leaves 7-12 (b) subsp.rubra 2 Spike conical; basal leaves 12-18 (c) subsp.comeliana Published as part of D. M. Moore (ed.), 1980, CCIII Orchidaceae, pp. 325-350 in Flora Europaea, Vol 5: Alismataceae to Orchidaceae, Camebridge :Cambridge University Press on page 333, DOI:10.5281/zenodo.215522