Diascia fragrans K.E.Steiner

Annual herb, glabrous, simple or branching from the base; stems to 200 mm long, erect or decumbent, quadrangular in cross-section. Basal leaves few to many, rosulate or crowded, simple, petiolate, lamina 8.7-26.5 mm long x 4.0-12.6 mm wide, widely ovate to elliptic, apex obtuse, base attenuate, margins subentire to irregularly and shallowly two-to three-lobed, lobes obtuse; petioles to ca. 25 mm long; stem leaves smaller and becoming reduced upwards, 8-15 mm long. Flowers axillary, one to four open per stem, with sweet spicy scent, pedicels 58-78 mm, ascending, dorsi-ventrally compressed especially where attached to flower, recurved and elongating in fruit, usually resting on the soil during development and then becoming upright again at time of dehiscence. Calyx lobes five, more or less equal, ca. 3.0-4.0 mm x 2.0-3.0 mm, widely ovate, cordate to reniform, acuminate, all lobes spreading, cymbiform, margins white ciliate. Corolla bilabiate, limb 5.0-22.0 mm long x 15.0-24.0 mm wide; upper lobes ca. 5.5-9.0 x 5.5-10.0 mm, widely ovate, lateral lobes ca. 8.0 x 5.0-8.0 mm, widely ovate, lower lobe ca. 6.0-7.5 x 8.5 mm, obovate and emarginate to obcordate, all lobes greyish-magenta with a deep magenta base; tube at base of upper lip bisaccate; sacs ca. 2.5-2.7 x 1.8 mm, rounded, diverging and projecting upward behind corolla lobes, containing oil-secreting trichomes near distal ends, sac openings ca. 1.4 mm high and 2.0-2.2 mm wide, mostly dark purple, but with yellow on outer side; central portion of corolla tube turned out to form a stamen bearing boss, boss ca. 1 mm high, anticous portion deep magenta, posticous portion yellow and contiguous with a yellow stripe spanning tube between sac openings, posticous side of boss connected to upper lip by a septum, septum broadened to form a triangular depression at base of upper lip, depression and septum deep magenta to dark purple. Stamens four, erect, filaments deep magenta with dark purple clavate hairs; anticous pair (appearing to be posticous) ca. 3 mm long, posticous pair ca. 2.5 mm long; tips of staminal hairs minutely muricate; anthers ca.1.0-1.5 mm long, strongly cohering, yellow. Ovary ca. 2.0 x 1.5 mm, ovate in outline, laterally compressed, with 70-80 ovules; style ca. 2 mm long, bent upward at the tip, base purple, stigma capitate, lying between the anthers or emerging slightly. Capsule ca. 4.6-4.7 x 3.4 mm, broadly ovate in outline, scarcely exceeding the calyx lobes. Seeds ca. 0.55-0.93 mm long, semi-circular in lateral view, dorsal surface curved and smooth to granulate with scattered foveolae on side, ventral surface more or less straight with oblong keyhole-like opening running length of seed.