Ephemeral annual herb with a small tuberous root; branches reddish, decumbent, up to 7 cm. long and 1 mm. in diam. Leaves opposite, succulent and bladder-like when fresh, up to 4 × 3 mm. and 1·75 mm. thick, suborbicular, apex rounded, base cuneate, upper surface red or a mottled olive-green, often whitish or “frosted”-translucent below. Flowers terminal, solitary and sessile. Sepals 2 mm. long, ovate, rounded or subacute at the apex, colourless and translucent. Petals bright pink, c. 2·3 × 1·5 mm., obovate, obtuse at the apex, united below for 0·2–0·3 mm. Stamens 4, as long as or slightly longer than the petals and alternating with them; filaments twisted at the apex, mauve-tinged; anthers golden. Ovary subglobose; style c. 1·3 mm. long with 3 stigmas. Capsule c. 1·4 × 1·6 mm., depressed-ovoid, dehiscing horizontally near the middle. Seeds 7–16, blackish, c. 0·5 mm. in diam., suborbicular-reniform, minutely rugulose-granulate (not concentrically).