Thamnea depressa Oliv.

Usually 20-30 cm high, with glabrous branchlets. Leaves very small, appressed-imbricate, ovate-deltoid, somewhat obtuse, glabrous, larger and thinner at the base of the flowers. Flowers sessile. Calyx-lobes lanceolate, subacute, glabrous. Petals consisting, in equal lengths, of an oblong bicarinate claw widening into an elliptic-obovate obtuse lamina. Anthers oblong-linear, reaching to the upper half of the lamina. Ovary capped with a disc with an elevated margin, imperfectly bilocular, containing 4 ovules: stylar column stout, reaching to the upper half of the petals. Fruit ellipsoid.