Diascia cordata N.E.Br.

Perennial herb, stock eventually woody, up to c. 10 mm diam., stems many from the crown, straggling, of indeterminate length, up to 2.5 mm diam., simple below, branching above, branches often flagelliform, glabrous. Leaves mostly 13-30(-50) x 13-25(-38) mm, diminishing in size upwards, ovate, apex obtuse, base subcordate, margins sharply serrate, glabrous; petiole 2.5-7 mm long. Flowers many in very lax leafy racemes, sometimes compounded into panicles; lower bracts leaf-like, becoming much smaller upwards; pedicels mostly 18-37 mm long, often wide-spreading, often recurved in fruit, glabrous to sparsely glandular-pubescent. Calyx segments lanceolate, two anticous ones c. 4-4.5 x 1-1.5 mm, three posticous ones slightly smaller, glabrous. Corolla tube c. 4 mm long, deeply invaginated, two lateral spurs c. 8-9 mm long, slightly curved, strongly divergent in a downward direction, with a patch of dark sessile glands within near the tips; limb c. 18-20 x 11-17 mm, anticous lobe c. 8-10 x 10-13 mm, lateral lobes 5 x 5.5-7 mm, posticous lobes 4-4.5 x 4-5 mm, all subrotund, pale or rose-pink, sparsely glandular-pubescent outside, glabrous inside except for a centrally placed patch of dark sessile glands on the palate (or glands sometimes wanting), palate slightly raised with two parallel median channels to accommodate the filaments, the “window” concave with two further yellow elliptic concavities flanked by reddish blotches and streaks. Stamens projecting forward, filaments c. 2.25 mm long, glandular-puberulous, anthers 1 mm long, cohering strongly, pollen yellow. Ovary 1-1.5 x 1 mm, deltoid in outline, ovules 2-4 in each loculus; style 1.5 mm long, stigma capitate, lying between the anthers. Capsules 3-5 x 3-4 mm, ovoid; seeds c. 1.75 mm long, ridged but not winged.

Can be grown by cuttings or seedlings.