AFRICAN

ORCHIDS

Satyrium amoenum (Thouars) A.Rich., Mém. Soc. Hist. Nat. Paris 4: 29 (1828).
Homotypic Synonyms:
Diplecthrum amoenum Thouars, Hist. Orchid.: t. 21 (1822).
Descriptions:
Plants 25-40 cm tall, tubers ovoid-oblong; Stem sheathed basally by 1-2 sheaths, then by 1-2 (rarely 3) radical leaves, fiat, oval-acute (5-8 x 2-3 cm) clad above with numerous sheaths with acute limbuses, diminishing in size with height. Inflorescence ovoid or more or less elongated, more or less dense, not more than 3 cm in diameter; bracts lanceolate, green, recurved, becoming smaller; flowers rose, rarely white; very large (12 mm). Sepals oblong, obtuse and apiculate, l2 mm, long, 1the median 5 veined. Petals slightly shorter and narrower, 3 veined. Labellum hood shaped, provided with a dorsal crest, cuspidate and longer than the sepals: spur linear, slightly attenuate, generally 3 cm long. Column elongated (nearly 8 mm). Anther 2 mm tall, viscidiums discoid (0.6 mm in diameter), staminodes suborbicular. Pedicel glabrous, 10 mm long.
Habitat:
On rocks in dry prairies, from 1200-2000 m alt.; flowering in November-May.
Distribution:
Comoros, Reunion and Madagascar
References:
Flora of Madagascar: vascular plants: 49th family, Orchids / by H. Perrier de La Bathie; published under the auspices of the government of Madagascar and under the direction of H. Humbert; English revision and translation by Steven D. Beckman; Orchids of Madagascar Hermans 2007; Field Guide to the Orchids of Madagascar Cribb & Herman 2009
Images:
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Habitat/In situ  Habitat/In situ  Habitat/In situ 
Satyrium amoenum  satyrium amoenum 03  Satyrium amoenum 2 
Photograph ©Gilles
Grunenwald. Image used
with kind permission. 
Photograph ©Gilles
Grunenwald. Image used
with kind permission. 
Photograph ©Gilles
Grunenwald. Image used
with kind permission.