Orbea semota       (N. E. Brown) L. C. Leach

DESCRIPTION: Small succulent forming clumps 6 cm to 1 m in diameter, not rhizomatous. Stems 3-10 cm long, 0.6-0.8 cm in diameter (excluding teeth), slender, erect to shortly decumbent, green to grey-green flecked with purple-brown; tubercles 6-12 mm long, arranged into 4 obtuse rows along stem with a slight groove between rows, tapering to a slender spreading conical tooth, only occasionally with a pair of small obtuse stipular denticles 3-5 mm from tip.

DISTRIBUTION: Tanzania, Kenya, Rwanda