AFRICAN

ORCHIDS

Benthamia longicalceata H.Perrier, Notul. Syst. (Paris) 14: 139 (1951).
Description:
Geophyta gracilis 25-40 cm. alta, monophylla. Folium radicale ovale (1 .3-3 x 1-1,5 cm.), breviter (5-10 mm.) petiolatum, acute-acuminatum. Scapus gracilis vaginis sparsim vestitus. Racemus densus, 2-4 cm. longas, 7-10 mm. latus, 10-20-florus. Bracteae acutae, anguste lanceolatae, ovario pedicellate breviores. Sepala uninervia, posticum obtuse ovatum (2 x 1.5 mm) lateralibus subfalciformibus (3 X 1,8 mm.) minus. Petala obtuse subfalciformia, parva (2x1 mm.) uninervia. Labellum perlonge (2,5 mm.)ø calceatum, basi apertum et lateraliter subbilobulatum; calcar pendens, cylindraceum labello aequilongum (2,5 mm.).
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Habitat:
Distribution:
NE. Madagascar