Streptocarpus rexii (bowie ex Hook.) Lindl.

Perennial, rosulate, not or scarcely rhizomatous. Leaves up to 300 x65 mm, lamina strap-shaped, crenulate on the margin, shortly pilose on both surfaces, blunt at the tip, narrowed into the petiole at the base, petiole up to 20 x 4 mm, pilose; petiolode up to 10 x 4 mm. Inflorescences from apex of petiolode, 1-to 2-flowered, more rarely up to 6-flowered. Peduncle up to 200 mm, pilose with glandular and eglandular hairs. Bracts lanceolate, c. 1-2 mm or obsolete. Pedicels c. 10 mm, pilose like the peduncle. Calyx divided to the base into 5 linear pilose segments5 x 1 mm. Corolla 40-75 mm; tube narrowly infundibuliform, 30-55 mm long, c. 3.5 mm diam. at the base, 10-15 mm at the mouth, pilose with glandular and eglandular hairs outside, shortly pilose on the floor of the tube inside, outside of tube white faintly tinted violet towards the top or pale violet throughout, floor of tube whitish marked with 7 parallel violet stripes extending onto the lower lip; upper lobes 7-13 x 6-13 mm; lower lip c. 13-20 mm long, lobes subequal, suborbicular, 7-17 x 6-15 mm; all lobes very pale violet, glabrous, inside, whitish, sparsely glandular-and eglandular-pilose outside. Stamens arising about two-thirds up the corolla tube; filaments c. 8 mm long, twisted, curved and slightly thickened about the curve, white, minutely glandular; anther lobes 2 mm long, white; posterior staminode minute, laterals 1 mm long. Ovary 18 mm long, greenish, pubescent, passing into the c. 14 mm white glandular style; stigma white or pale violet. Capsule up to 130 mm. Seeds 0.6-0.
 long, reticulate.