Pterygodium Section Pterygodium
Description:
Slender to robust plants with few cauline leaves. Inflorescence lax, few-flowered. Flowers large, resupinate, cup-shaped, mostly yellow; lip appendage erect or reflexed, elongate and solid; the-cae horizontal or semi-pendent.
Two are found in the summer-rainfall region and the remainder in the Western Cape.
Species:

 

Pterygodium acutifolium Lindl. SW. & S. Cape Prov.
Pterygodium alatum (Thunb.) Sw. SW. & S. Cape Prov.
Pterygodium caffrum (L.) Sw. SW. & S. Cape Prov.
Pterygodium catholicum (L.) Sw. SW. & S. Cape Prov.
Pterygodium cleistogamum (Bolus) Schltr. S. Cape Prov.
Pterygodium connivens Schelpe SW. Cape Prov. (Cape Pen.).
Pterygodium cruciferum Sond. SW. Cape Prov.
Pterygodium hastatum Bolus S. Africa.
Pterygodium leucanthum Bolus E. Cape Prov. to Lesotho.E. Cape Prov. to Lesotho.
Pterygodium newdigatae Bolus S. Cape Prov.
Pterygodium pentherianum Schltr. WSW. Cape Prov.
Pterygodium platypetalum Lindl. SW. Cape Prov.
Pterygodium ukingense Schltr. SW. Tanzania (Ukinga Mts.).
Pterygodium vermiferum E.G.H.Oliv. & Liltved SW. Cape Prov.

World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/ accessed 1/16/2010