Caulescent with the woody stem decumbent, the upper younger part erect, up to 50 cm long. Roots not seen. Stems densely covered with the old persistent, reflexed leaves and stipules. Leaves closely imbricate; petiole up to 5 cm long, rigid, flattened, with some long scattered rust-brown hairs, erect at first, later reflexed from the base; stipules entire below, c. 7 mm long, above splitting into 3 acute, subulate teeth, the central widest, membranous, ferruginous, appressed to the stem; lamina narrowly lanceolate, up to 4 cm long and 8 mm broad, the margins densely covered with long, filiform tentacles bearing knob-shaped glands, the centrally placed ones very short, with some scattered long hairs. Inflorescence axillary, near the apex of the stem, up to 25 cm; scape leafless, forked or branched above, pedicels c. 5 mm; flowers up to 30. Calyx-lobes c. 6 mm. Petals obovate-cuneate, up to 15 mm long, magenta. Stamens short, with the locules divergent between the rhomboidal connective. Styles forked from the base, the stigmatic arms distended apically and sometimes splitting. Capsule oblong in outline; seeds fusiform, brownish, 0.4 mm long with a beaded pattern.
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Like D. capensis but with long, sprawling stems, petioles with long, russet hairs and scapes often forked.