Swaziland's Flora Database:
Polystachya ottoniana Rchb.f.
(name current 2016)
Growth form: Epiphyte
Southern African Endemic
Found within protected areas
Swaziland distribution: highveld only
South Africa from eastern Cape to eastern Transvaal.
Description (Compton's Flora of Swaziland*):
Polystachya ottoniana - Epiphytic on trees or rock-surfaces. Pseudobulbs spherical, pointed, 1 cm or more diam, often persisting for several years in long series. Leaves 2—4, strap-shaped, blunt, up to c 8 cm long x 8 mm wide. Inflorescence axis very slender, shorter than leaves. Flowers cream or yellowish, profile c 1 cm long or slightly more. Sepals c 1 cm long, petals little larger, all pointed; lip bent forwards and then curved and curled backwards, often with dark yellow blotch.
* Where species names have changed, these have been matched according to herbarium specimens quoted in this publication.
Stewart, J., H.P. Linder, E.A. Schelpe, A.V. Hall. 1982. Wild Orchids of Southern Africa. Macmillan South Africa, Johannesburg.