Disperis lanceolata Bosser & la Croix

in Adansonia 24(1): 81 (2002).

Répartition

Madagascar.

Floraison : __MAM_______. Altitude de 1200 à 2000 m.

Description sommaire

Plante terrestre. Taille de 14 à 27 cm. Feuilles de 2 à 3, de 18-36 × 7-15 mm, alternes, pétiolées. Bractées lancéolées. Fleurs de 2 à 5, roses. Sépale dorsal linéaire, de 7-8 × 0-1 mm. Sépales latéraux oblancéolés. Pétales oblongs, de 7-8 × 0-2 mm.

Commentaires

In humus in shade in moist forest, edge of forest in shade of small trees in deep leaf litter.This species recalls D. humblotii and D. saxicola in its habit. It is distinguished by its much smaller and narrower, sessile leaves and by the terminal appendage of its lip in the form of a flat elliptic or suborbicular plate having at its base a rounded protuberance. The lip appendage bears some resemblance to that of the African species D. togoensis, but the latter is a more smender plant with larger flowers and leaves, and with the lateral sepals joined at the base for a quarter to half of their length. It also resembles D. katangensis but that, too, has the lateral sepals partly joined.

Bibliographie

David Du Puy, Phillip Cribb, Jean Bosser, Johan & Clare Hermans. Orchids of Madagascar. Second edition. Royal Botanic Gardens, Kew. 2007. Page 175. Photo.

Phillip Cribb & Johan Hermans. Field guide to the orchids of Madagascar. Kew Publishing. 2009. Page 132. Photo.