Cynorkis sambiranoensis Schltr., Repert. Spec. Nov. Regni Veg. Beih. 33: 69 (1924).
Homotypic Synonyms:
Lowiorchis sambiranoensis (Schltr.) Szlach., Orchidee (Hamburg) 55: 315 (2004).
Description:
Herbs 10-25 cm tall, tubers 2 fusiform, single, radical, embracing the stern, lanceolate or oblong- lanceolate (6-15 x 1-2.4 cm), acute or acuminate scape glabrous and bare; inflorescence unilateral or nearly so, to 10 cm tall: 5-20 flowered, flowers average, lilac and glabrous; bracts slightly longer or shorter than the pedicel. Sepals obtuse, the median 5 mm long, widely oval concave and 3-5 veined, the laterals oblong and longer (6 mm). Petals oblong, 3 veined basally, the same length as the median sepal. Labellum (10 x 12 mm) very widely compressed basally, trilobed below the middle; lateral lobes diverging, obovate-cuneiform and obtuse: the rnedian narrowed basally, widely obovate, bilobulate below the middle (7 x 6 mm), lobules semi-oblong and obtuse, separated by a narrow sinus, 5 veined per lobe spur short (4-4.5 mm), swollen-clavate in the apical half. Anther 1.5 mm tall, cauda and channel 0.7 mm, viscidiums oval; staminodes reduced to a rounded saddle. Rostellum short (0.8 mm), notched medially on the front edge and with 4 small teeth, 2 lateral and 2 on the edges of the notch, with a small obsolete keel, elongated behind; forming a gutter with a thin membrane, from each side of the notch; with a small cavity inserted with the clinandrium with the rear lip larger than the frontal one and with a small projection in the sinus. Stigmas much thinner than the column. Pedicel glabrous,1 cm long.
Habitat:
Distribution:
N. Madagascar
