Orbea dummeri                       (N. E. Brown) Bruyns

DESCRIPTION: Small succulent forming diffuse mats up to 30 cm in diameter, not rhizomatous. Stems 3.5-8 (-20) cm long, 0.8-1 cm in diameter (excl. teeth), decumbent, grey-green to green flecked with purple-brown; tubercles 5-15 mm long, arranged very roughly into 4 obtuse rows along stem with a slight groove between them, spreading to ascending, conical, acuminate to slightly laterally flattened, sometimes with small stipular denticles near apex.

DISTRIBUTION: Burundi, Kenya, Tanzania, Uganda; 950-1600 m