Epipactis atrorubens, (Hoffm.) Besser, 1809, 1809

D. M. Moore (ed.), 1980, CCIII Orchidaceae, Flora Europaea, Vol 5: Alismataceae to Orchidaceae, Camebridge: Cambridge University Press, pp. 325-350 : 328

publication ID

https://doi.org/ 10.5281/zenodo.215522

DOI

https://doi.org/10.5281/zenodo.6283038

persistent identifier

https://treatment.plazi.org/id/53341027-FF9C-FF9E-6B8C-FC40FE45FA36

treatment provided by

Plazi

scientific name

Epipactis atrorubens
status

 

8. E. atrorubens (Hoffm.) Besser View in CoL View at ENA   LSID ,

Prim. FI. Galic. 2: 220 (1809) ( E. atropurpurea Rafin. View in CoL , E. rubiginösa (Crantz) Gaudin, Helleborine View in CoL atropurpurea (Rafin.) Schinz & Thell. View in CoL ).

Rhizome short, more or less horizontal. Stem (15-)20-60(-100) cm, glabrous or sparsely pubescent, violet below, with sheathing scales. Leaves distichous, 5-10, 4-10 x 1 -5-4-5 cm, ovate to ovate-lanceolate, acute to acuminate. Raceme 7-25 cm, 8- to 18-flowered, the rhachis densely pubescent; bracts lanceolate, acute, the lowest equalling or sometimes exceeding flowers. Flowers patent; perianth-segments deep purple, the outer 6-7 mm, ovate, acuminate, the inner elliptical. Labellum 5*5-6*5 mm; hypochile cupuliform, green, with red margin, with red spots inside; epichile cordate-reniform, acute, with recurved apex, wider than long, deep reddish-purple, with 2(-3) rugose protuberances at base. Rostellum persistent. Ovary densely pubescent. 2n = 40 + 0-7 B.

Woods and rocky slopes; calcicole.

Much of Europe, but rare in the Mediterranean region. Al Au Be Br Bu Cz Da Fe Ga Ge Gr Hb He Ho Hs Hu It Ju No Po Rm Rs (N, B, C W, K, E) Su Tu. 9

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