(Tetratheca rupicola)
Tetratheca rupicola A compact, or diffuse shrub usually 20�40 cm high; stems terete, or 4-angled, with sparse to numerous, hairs.Leaves usually in whorls of 4�6, rarely alternate, opposite or in whorls of 3 near the base of branches, linear, 5�15 mm long and 1�1.5 mm wide, tending to recurve and taper towards apex, margins revolute; sessile.