Succulent prostrate annual herb forming loosely matted patches but not rooting at nodes; main stem 1-2 mm. diam., ± umbellately divided into us. 5 far-spreading, copiously oppositely branched stems up to c. 2 dm. or more long, or whole plant much smaller; stems and branches glab. or ± pilose. Lvs sessile, fleshy, up to c. 6 × 2.5 mm., lanceolate to ovate to quadrate in outline, acuminate, apiculate, entire or with a pair of narrow to filiform apiculate teeth up to 1·5 mm. long about the middle (both forms us. on same plant), glab. or ± pilose, segs sts tipped with cluster of hairs. Fls borne singly along the branches on short ± horizontal pedicels which are bent abruptly at junction with calyx so that fl. stands erect. Calyx 4-6 mm. long, glab. or ± pilose, cut c. 1/2 way into narrow, acuminate, sts hair-tipped lobes, anterior clefts us. > other 3. Corolla white to cream, 1-6·5 cm. long; tube up to 6 cm. long, very narrow to filiform, flaring suddenly into limb 5-10 mm. diam.; lobes of lower lip 1·5-3 mm. wide, entire, of upper lip very short but wider, up to 5 mm. wide. Anthers free, erect, golden yellow with completely glab. margins, awns small, almost equal. Ovary with 1 ovule per locule; capsule broader than tall, rupturing calyx at anterior cleft; sts 2-seeded and symmetrically obcordate or bicornute, more often 1-seeded by abortion and asymmetric, c. 2 × 4 mm. and ovate to triangular in outline; apparently indehiscent. Seed ± ovate, c. 3 mm. long.

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