Convolvulus verecundus Allan

Perennial hairy herb; rootstock rather stout. Stems with many branches, prostrate or semiprostrate, often nearly all subterranean when in loose shingle or sand; aerial stems 0-20 cm long, silky hairy or nearly glabrous. Petioles slender, 0.3-4 cm long, silky hairy or nearly glabrous. Lamina (2)-5-20 × (2)-4-20 mm, usually broad-ovate to oblong or suborbicular, less commonly triangular, glabrous or densely hairy above, glabrate to moderately hairy below, sinuate or crenate; base truncate to cordate; apex generally emarginate, sometimes rounded or obtuse, especially when lamina triangular. Fls axillary, usually solitary; peduncles 0.5-2.5-(4) cm long, ± filiform. Bracts paired, linear. Sepals subequal, 3-7 mm long, obovate-oblong, with ± appressed hairs, mucronate or rounded. Corolla 0.8-2.2 × 0.9-2.3 cm, white. Capsule 5-7 mm diam., globose. Seeds moderately to densely covered with tuberculate ridges.