Diascia lilacina Hilliard & B.L.Burtt

Perennial herb, stems many from the crown, of indeterminate length, c. mm diam., creeping, rooting, branching, glandular-pilose. Leaves c. 7-25 x 7-25 mm (ratio 1:1), diminishing in size upwards, ovate, apex obtuse, base cordate, margins serrate, both surfaces glandular-pilose; petiole c. mm long, glandular-pilose. Flowers solitary in the upper leaf axils forming a long leafy raceme; pedicels filiform, c. 6-10 mm long, spreading, or reflexed in fruit, brownish-green, glandular-pilose, hairs at least 0.5 mm long. Calyx segments linear-lanceolate, two anticous lobes c. 2.5 x 0.75 mm, three posticous ones slightly smaller, all green, glandular-pilose. Corolla tube c. 2 mm long, not invaginated, with two very shallow pouches at base of lateral corolla lobes, the posticous yellow and maroon “window” produced into a hollow cone c. 2.5-3 mm long; limb c. 12 x 11 mm, anticous lobe oblong-elliptic, c. 8 x 6 mm, two lateral lobes subrotund, c. 3.5 x 3 mm, two posticous lobes oblong-elliptic, c. 2.5 x 2.5 mm, all lilac-pink, sparsely glandular-pilose outside, glabrous inside, without dark sessile glands on the palate, which is strongly raised transversely with a median groove to accommodate the filaments of the posticous pair of stamens. Stamens unalike, anticous pair erect, filaments c. 1 mm long, glabrous or with a few gland-tipped hairs, anthers c. 0.75 mm long, not cohering, pollen grey-green; posticous pair projecting straight forward, filaments 1.5 mm long, minutely glandular-puberulous, anthers c. 0.75 mm long, cohering strongly, pollen grey-green. Ovary c. 0.75 x 0.5 mm, deltoid in outline, ovules two in each loculus; style 1.5 mm long, projecting straight forward above the posticous stamens, stigma capitate. Capsule c. 2 x 3 mm, subrotund, apex beaked; seeds c. 2 mm long, testa raised-reticulate.