Stock rather stout, emitting few to several branching stems up to 25 cm. tall or more; stems often rooting at basal nodes; branchlets pale, terete, glab. or nearly so. Lvs opp., subfloral alt., distant, on broad or slender petioles up to ± 4 mm. long; lamina (8)-10-20 × 8-10-20 mm., orbicular to very broad-ovate, rounded at base, thin, pale green, membr., glab. or slightly puberulous, often reddish below, rather closely, sharply but unevenly toothed. Fls (4)-5-(7) mm. diam.; calyx-lobes ± oblong-lanceolate, < petals; petals white or occ. pale rose, up to 1 cm. long, shallowly emarginate. Capsules ± 3-4 cm. long, glab. or sparsely pubescent; mature peduncles up to 8 cm. long. Seeds papillose.

n = 18

2n = 36

n = 18

Herb, often sprawling and branching at base. Stems ± erect, 10-40 cm tall, strigillose all round, densely so in lines decurrent from margins of petioles, often also with a few glandular hairs. Lamina of lf broadly ovate, 3-25 × 3-20 mm. Floral tube 0.5-1.5 mm deep, sparsely glandular-hairy. Petals white, 2-2.5 × 1.5-3.5 mm. Capsule subglabrous to strigillose, 2-5 cm long; fruiting pedicel 1.5-4.2 cm long.