Disperis bosseri la Croix F P.J.Cribb

Kurzweil, Hubert & Manning, John C., 2005, A synopsis of the genus Disperis Sw. (Orchidaceae), Adansonia (3) 27 (2), pp. 155-207 : 202

74. Disperis bosseri la Croix F P.J.Cribb

Adansonia 24: 82 (2002). — Type: Madagascar ,

Ankaratra, Bosser 10869 (holo-, P).

Plants to 180 mm. Leaves 3, alternate, ovate to lanceolate, 10-20 mm long. Flowers 1-2, pale pink; median sepal linear, 6 × 1 mm, hood 6 mm deep, lateral sepals ovate-apiculate, 6-7 × 3 mm; petals spathulate, 6 × 2.5 mm; lip blade lanceolate, navicular, appendage unlobed, rounded, papillose.

The lip of Disperis bosseri is very much unlike that of all other Madagascan taxa. The boatshaped blade and the unlobed appendage suggest that it belongs in subgenus Disperis . Its similarity to D. concinna was pointed out by LA CROIX et al. (2002) but on account of a somewhat different lip structure the plant was described as a distinct new species.

DISTRIBUTION AND PHENOLOGY. — Madagascar; humid places on slopes and open areas in full sun at 2400 m. Flowering in February.

DOUBTFUL NAMES