Base de données des plantes d'Afrique


Disa satyriopsis Kraenzl.
Famille : ORCHIDACEAE
Protologue : Bot. Jahrb. Syst. 28: 177 (1900) 
Informations sur le genre : Disa
 
 
Statut
Statut pour TA : accepté (présent)
 
Synonyme(s) hétérotypique(s)
=Disa ochrostachya var. latipetala G. Will.
=Disa orthostachya var. latipetala G. Will.
=Disa rhodesia Summerh.
 
Ecologie et distribution
Afr. Trop.
Biologie : Terrestrial slender herb; tubers testicular, to 6 cm long; sterile stem to 15 cm tall, with 2-3 narrowly elliptic acute leaves to 20x4 cm; flowering stem 40-70 cm tall, covered with sheathing leaves, ovate-acute to 4-8 cm long, grading into bracts; inflorescence 10-30 cm long, 2-3 cm Ø, densely 150-flowered; flowers c. 10 mm Ø, salmon-pink or orange-red with darker mottling; bracts lanceolate, 15-25 mm long; pedicel and ovary 10-15 mm long; dorsal sepal hood-like, obovate, 8-10x3-4 mm, with a pendent clavate spur 7-10 mm long arising near middle; lateral sepals narrowly ovate, 8-10 mm long; petals c. 7 mm long, 2-lobed, posterior lobe erect, lorate, 7-8,5 mm long with the anterior lobe arising c. halfway up posterior lobe, both equal in length; lip pendent, linear, 7-10x1 mm.
Ecologie : Grassland, burnt regularly; sometimes very common locally; 1800-2500 m alt.
  Resembling D. ochrostachya “and has been lumped with it at various times…It is easy to distinguish them on colour…” (I. la Croix & al., Orchids Malawi: l.c.).
  Pollinated by sunbirds (Johnson & Brown, 2004: 185).

Bibliographie pour l'Afrique Tropicale :
  • Exell, A. & Wild, H. (1995). Flora Zambesiaca: Mozambique, Federation of Rhodesia and Nyasaland, Bechuanaland Protectorate. London Kew 11[1]: 163
 
Plus d'info sur :
voir d'autres informations sous Jstor_African Plant Initiative
voir d'autres informations sous Flore d'Afrique Centrale
voir d'autres informations sous The International Plant Name Index
 
Carte
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