Disa biflora (L.) Druce, Rep. Bot. Exch. Club Soc. Brit. Isles 3: 417 (1913 publ. 1914).
Homotypic Synonyms:
Orchis biflora L., Sp. Pl. ed. 2: 1330 (1763).
Schizodium biflorum (L.) T.Durand & Schinz, Consp. Fl. Afric. 5: 113 (1894), nom. superfl.
Heterotypic Synonyms:
Satyrium cornutum L., Pl. Rar. Afr.: 27 (1760).
Orchis satyrioides L., Amoen. Acad. 6: 109 (1763), nom. superfl.
Orchis flexicaulis L.f., Suppl. Pl.: 398 (1782).
Satyrium tortum Thunb., Prodr. Pl. Cap.: 5 (1794).
Disa torta (Thunb.) Sw., Kongl. Vetensk. Acad. Nya Handl. 21: 211 (1800).
Gamaria cornuta (L.) Raf., Fl. Tellur. 4: 49 (1838), nom. inval.
Schizodium arcuatum Lindl., Gen. Sp. Orchid. Pl.: 359 (1838).
Schizodium tortum (Thunb.) Steud., Nomencl. Bot., ed. 2, 2: 530 (1841).
Schizodium cornutum (L.) Schltr., Ann. Transvaal Mus. 10: 248 (1924).
Schizodium satyrioides (L.) Garay, Harvard Pap. Bot. 2: 49 (1997), with incorrect basionym ref.
Disa satyrioides Bytebier, Taxon 57: 1243 (2008), nom. inval. publ. as a comb. nov. with incorrect
Description:
Plants flexuose, 80-300 mm tall; basal leaves spathulate, apiculate, 6-16 x 3-7 mm, cauline leaves 1-4, lanceolate, the upper half free and distant from the scape. Inflorescences 1-6-flowered. Flowers white to rarely rose-red, the lip pale green; pedicels mostly well exserted from the bracts. Median sepal linear, acuminate, recurved, convex, basal part forming a hood over the petals, 7-12 x 1.5-2 mm; spur 5-10 mm long, straight or slightly decurved, bifid; lateral sepals linear-lanceolate, acuminate, recurved, 12-18 mm long. Petals 3-5 mm long, apex bifid, anticous lobe reduced to a fold. Lip apical tooth (2-) 8 (-13) mm long, subulate, mesochile margin often undulate, hypochile small. Rostellum short and broad.
Habitat:
Found in the Western Cape and ranging into the southern parts of the Northern Cape, usually on alluvial or flat sands derived from Table Mountain Sandstone. Flowering between August and September, with occasional collections from as early as July.
Distribution:
SW. Cape Prov.
