AFRICAN

ORCHIDS

Aeranthes aemula Schltr., Repert. Spec. Nov. Regni Veg. Beih. 33: 274 (1925).
Heterotypic Synonyms:
Aeranthes biauriculata H.Perrier, Notul. Syst. (Paris) 14: 161 (1951).
Description:
Plants acaulis. cases 4-6 ascending, linear (6-17 x 0.5-1 cm.), thin and coriaceous, slightly attenuate toward the base, Inflorescences shorter than the leaves. upright or flat-upright. often single flowered, sometimes branched and in the last case with the branches short and of equal length; peduncle setiform, with 4-5 distant sheaths, tightly appressed and shortly acuminate: bracts oval-acute, one-quarter to one- fifth the length of the pedicel: flowers small, thin, white with their extremities yellowish. Sepals 18 mm, long. lanceolate and very acuminate, the laterals slightly enlarged on the lower front margin above the base. Petals 12 mm long in a suborbicular lamina. elongated by a long acumin. Labellum suborbicular, subcordate-biauriculate basally and acuminate apically, 9 mm, long and 6 mm, wide below the center of the basal lamina. Column 2 mm tall, foot wide; spur enlarged at its orifice, slightly curved in front, cylindrical. obtuse and 8 mm. long. Pedicel 6 mm, long generally. Capsule obviously pedicellate, elongated (27 x 6 mm ) and 6 ribbed, obtuse.
Habitat:
Epiphyte: in forests with lichens, from 2000 m. alt; flowering January.
Cultivation:
As given for the genus, hot to warm growing epiphyte.
Distribution:
N. Madagascar. Endemic.
References:
Flora of Madagascar Perrier 1939/81; Angraecoid Orchids Stewart, Hermans and Campbell 2007; Orchids of Madagascar Hermans 2006; Field Guide to the Orchids of Madagascar Cribb & Herman 2009; WCSP (2017). 'World Checklist of Selected Plant Families. 20.01-2017; http://apps.kew.org/wcsp/
Images:
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Habitat/ In situ Habitat/ In situ
Aeranthes aemula 01 Aeranthes aemula 02
Photograph Gilles Grunenwald. Image used with kind permission. Photograph Gilles Grunenwald. Image used with kind permission.