Trees 3-9 m tall, with many dichotomous branches. Leaves 10-20 per rosette, lorate-lanceolate, 200-350 x 20-50 mm, slightly biconvex to shallowly channelled, glaucous green. Inflorescence robust, erect, 3-5-branched, 150-300 mm tall; bracts deltoid-cirrhous, 4.0-8.0 x 0.5-3.0 mm, 1-3-nerved. Flowers lemon-yellow to canary-yellow, 27-150 (?) mm long, cylindric-ventricose; outer segments connate in basal third, inner segments free; pedicels 5-10 mm long. Anthers exserted 1-20 mm Ovary 6-9 x 3-5 mm, pale brown; style exserted 9-15 mm. Fruit 30-45 x 15-20 mm, yellow-ochre. Seeds ochre-grey, 16.5 x 9.0 x 3.0 mm including a broad wing. Flowering time June to July. (from JSTOR Global Plants website / Flora of Southern Africa)

Arborescent, with a very much branched trunk 20–30 ft. long, 3–4 ft. diam.; leaves in a dense rosette at the tip of the branches, lanceolate, 6–8 in. long, 1–1.25 in. broad low down, 0.25– 0.333 in. thick in the centre, very glaucous, unspotted, nearly flat on the face, rounded on back, sometimes smooth, sometimes studded over with copious minute prickles; margin with small, white, deltoid teeth; peduncle short, stout, branched; racemes lax, 3–6 in. long, with a stout, sulcate rachis; pedicels ascending, 0.25– 0.333 in. long; bracts minute, lanceolate; perianth oblong, bright yellow, about an inch long; tube much shorter than the segments, the three outer of which are valvate in bud; style and stamens distinctly exserted. (from JSTOR Global Plants website / Flora Capensis)