Perennial or biennial herb, succulent, single stem, old leaves remaining on stem, ± 0.01 m long. Leaves transversely depressed-ovate, 5-10 x 10-25 mm, rounded with dorsal ridge, mucronate, tightly clasping and patelliform, margins membranous with cilia, grey-green to brown. Inflorescence a terminal, cymose capitulum or rounded thyrse, partly hidden by upper leaves; flowers sessile. Calyx fleshy towards apex, rounded, marginal cilia, green to brown. Corolla slender ampulliform, fused 2.5-3.5 mm, white tinged red; lobes narrowly elliptic-oblong, 7-13 mm long, terminal beak blunt. Flowering time May-Aug.
Perennial or biennial, 10-20 mm tall (reaching 60 mm when flowering), often branched at base. Leaves overlapping, sessile, broadly ovate and saucer-like, 3-12 x 10-25 mm, often with membranous, ciliate margins. Flowers in a dense, terminal, brush-like head, ± embedded among leaves, flask-shaped, petals 7-13 mm long, fused in lower 2.5-3.5 mm, pale yellow, tinged red.
Perennial or biennial to 10 cm, sometimes branched at base. Leaves opposite, depressed-ovate, closely imbricate, recurved-ciliate, margins sometimes membranous. Flowers in a terminal head, tubular, white to yellow, petals 7-13 mm long.
A short succulent shrub. The leaves are in tightly packed pairs.