Satyrium cristatum Sond., Linnaea 19: 84 (1846).
Tubers 1-2.5 cm long, 1-2 cm in diameter, ovoid or globose. Stem 23-60 cm tall, erect, slender to rather stout, with 2, opposite leaves towards the base; leaves up to 15 cm long and 5 cm wide, lanceolate-ovate to elliptic-oblong, acute, suberect; above 2-4 cauline leaves up to 11 cm long, lanceolate to oblong-lanceolate, acute, adpressed to the stem. Inflorescence up to 24 cm long, laxly or densely many-flowered, cylindrical. Floral bracts 20-35 mm long, lanceolate-ovate, acute, reflexed. Ovary 9 mm long. Sepals and petals united together and with the lip in the basal half. Dorsal sepal 9 mm long, 1.2-1.4 mm wide, oblong-ligulate to oblong-lanceolate, obtuse, glabrous. Petals 8-8.5 mm long, 1-1.5 mm wide, subfalcate, narrowly lanceolate to linear-ligulate, subobtuse, glabrous. Lateral sepals 8.5-9 mm long, 1.6-2 mm wide, obliquely oblanceolate-oblong to ligulate-lanceolate, obtuse, glabrous. Lip 7.5-8 mm long and wide, ellipsoid-ovoid, mouth rather narrow, apex 1 mm long, 2 mm wide, obtuse, recurved. Spurs 9 mm long, 1 mm in diameter at the base, falcate, tapering gradually to the acute apex. Gynostemium 4-5 mm long.
Is a summer rainfall species found in moist or marshy grassland up to 2400 m from the Eastern Cape to Limpopo. South Africa.
Flowering is from January to February.
As given for the genus.
Key to the varieties of Satyrium cristatum
Endemic to Angola? Alt. 2000 m.
Orchidaceae of West-central Africa, vol. 1, Gdansk University Press Gdansk 2010
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