Platylepis margaritifera Schltr., Repert. Spec. Nov. Regni Veg. 15: 328 (1918).
Herbs, generally 17 cm tall; roots villous; stem bearing above the center 3-4 petiolate leaves (petiole generally 1.5 cm long), elliptical-acuminate (generally 7 x 2.5 cm), compressed-rounded basally; peduncle puberulent-glandular below the inflorescence; inflorescence elongated (3 x 1.5 cm), densely many flowered; bracts equal to the length of the flowers; flowers small, slightly puberulent-glandular on the external parts. Sepals oblong, obtuse and 7 mm long. Petals 6 mm long, linear-lingulate, obtuse. Labellum concave, oblong, subacute, 6 mm. long, glabrous, 2 keeled above and provided basally with a transverse line of 7 calluses in the form of a bead. Column very thin, dilate toward the apex, 5.5 mm tall. Ovary sessile generally 6 mm long, puberulent-glandular.

NE. Madagascar

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Botanical Drawing / Herbarium
 platylepis margaritifera
Photograph copyright Swiss Orchid Foundation at the Herbarium Jany Renz Image used with kind permission.