Disperis lanceana H.Perrier

Kurzweil, Hubert & Manning, John C., 2005, A synopsis of the genus Disperis Sw. (Orchidaceae), Adansonia (3) 27 (2), pp. 155-207 : 177

14. Disperis lanceana H.Perrier

Notul. Syst. (Paris) 5: 223 (1936), in Humbert, Fl. Madag. (Engl. revis.), Orch.: 114 (1981); Du Puy et al., Orch. Madag.: 135 (1999); la Croix et al., Adansonia 24: 72 (2002). — Type: Madagascar, Lance s.n. (holo-, P) .

Plants to 150 mm. Leaves 2-3, alternate, lanceolate to ovate, 30-35 × 12-13 mm. Flowers 2-3, pink, relatively large; median sepal linear, 12- 13 × 0.8 mm, hood deep, 10-12 × 14-15 mm, lateral sepals almost completely united to form synsepalum 8-9 × 10-12 mm; petals ovate, 10-13 × 5 mm; lip blade fleshy, tongue-shaped, papillose, stalked, appendage of two curved horns.

DISTRIBUTION. — Madagascar.