Perennial with trailing leafy stems. Leaves alternate, spreading, oblong, 100 x 15-20 mm, apex long-acuminate, base narrowed into a sheath, margin purple or red. Inflorescences sessile. Capsule hairy. Flowers deep purple.
Perennials with trailing leafy stems, rooting at the lower nodes, turning upwards, up to 0.8 m tall. Leaves alternate, spreading, oblong, c. 100 x 15-20 mm, apex long acuminate, base narrowed into a sheath, margin purple or red. Inflorescences in axils of uppermost leaves, sessile, contracted, piercing leaf- sheaths, the 4-6 flowers appearing consecutively in 2 rows. Sepals 3, free, resembling hairy bracts, c. 8 mm long. Corolla with a narrow tube c. 15 mm long, lobes patent, broadly ovate, c. 16 mm long, deep purple. Stamens 6, inserted on corolla-throat, filaments densely bearded above with long, beaded hairs; anthers basifixed with locules curved around discoid connective. Ovary slightly hairy above, 3-locular, with 1-2 ovules in each cell; style just exserted, filiform, stigma shallowly cup-shaped with 3 erect, small papillate lobes. Capsule obovate-trigonous, 5-7 mm long, rostrate, hairy; seeds oblong-ellipsoid, 4 x 1 mm.