Disperis secunda subsp. aemula, (Schltr.) J. C. Manning

Kurzweil, Hubert & Manning, John C., 2005, A synopsis of the genus Disperis Sw. (Orchidaceae), Adansonia (3) 27 (2), pp. 155-207 : 199

subsp. aemula (Schltr.) J.C. Manning

S. African J. Bot. 56: 495 (1990); J.C. Manning in H.P. Linder F Kurzweil, Orch. S. Afr.: 316 (1999). — D. secunda (Thunb.) Sw. var. aemula Schltr., Bull. Herb. Boissier , ser. 1, 6: 923 (1898). — D. circumflexa (L.) T.Durand F Schinz var. aemula (Schltr.) Kraenzl., Orch. Gen. Sp. : 826 (1900); J.L. Stewart et al., Wild Orch. S. Afr.: 201 (1982). — Type: South Africa, Cape of Good Hope, Penther s.n. (syn-, xB†); South Africa, Krook s.n. (syn-, xB†); South Africa, Olifantrivierberge, Schlechter s.n. (syn-, xB†).

Differs from the typical subspecies in the more robust habit with frequently broader leaves, the larger green and white flowers and the shape of the hood. This subspecies is mainly found in the Northern Cape of South Africa.