Stems up to 1.2 mm in diam., orange, smooth or tuberculate. Inflorescences branched and compact, generally 2–5-flowered. Flowers (4–)5-merous, 1.6–3 mm long, sessile or on up to 3 mm long pedicel. Calyx cup-shaped, ± as long as the corolla-tube, smooth, whitish or pellucid; lobes 0.7–1.3 x 0.8–1.7 mm, broadly ovate, blunt, overlapping at the base, erect; tube up to 0.8 mm long. Corolla urn-shaped, smooth, whitish or pellucid, persistent in fruit; lobes 0.9–1.5 x 0.8–1.3 mm, ovate-triangular or triangular, mucronate, smooth or somewhat papillate at the tip; tube up to 1.5 mm long; scales up to 1.9 mm long, well developed and longer than the corolla tube, with numerous club-shaped processes. Stamens 0.8–1.2 mm long; anthers 0.4–0.6 mm long, ovoid, yellowish or greenish; filaments 0.4–0.7 mm long, subulate. Styles 0.5–1 mm long, unequal, terete; stigmas approximately 0.3 mm in diam., subglobose, orange or greenish. Fruit a subglobose capsule up to 4.2 mm in diam., indehiscent. Seeds subglobose or ovoid, up to 1.7 mm long.