AFRICAN

ORCHIDS

Tylostigma filiforme H.Perrier, Notul. Syst. (Paris) 14: 138 (1951).
Description:
Geophyta gracilis erecta, tuberibus 2 anguste oblongis. Folia pauca (3-4), supra caulis medium inserta, subfiliformia (4-5 cm. longa, 1,6 mm. ad basin lata). Racemus subdensus, 15-20-florus, 2-3 cm. longus. Flores in toto 6 mm. longi; ovarium pedicellatum retrorsum adscendens; perianthium 2 mm. longum, ad anthesim subreclinatum. Sepala conniventia, subsimilia. concava, obtuse oblonga (2-2,2 X 0,6-0,7 mm.), opaca, enervia. Petala sepalis paulo breviora sed latiora (1,6 X 1 mm.), hyalina, puncto nigrescente apicem versus ornata. Labellum obtuse calceiforme (2 X 1,5 mm.) ad basim callo parvulo, ad medium speculis 2 et apicem versus callo transverso, facie ornatum; anthera hemispherica, parvula. Capsula obconica (5x2 mm.). costis supra applanatis 6 ornata.
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Note:
Espece ayant un peu l'aspect de T. Perrieri Schltr., mais á gaines inferieures sans limbe, a feuilles developpees au-dessus du miliou á labelle ornemente d'une fagon tres diflerente, a gynosteme a larges lobe anterieurs et a rostelle lineaire.

Key to the varieties Tylostigma filiforme H.Perrier
Habitat:
Distribution:
NE. Madagascar