Plants arborescent, 3-4(-6) m tall; stems simple or branched, rosettes usually tilted slightly sideways. Leaves many, rosulate, erect to spreading, 400-800 x 40-95 mm, slightly channelled to D-shaped in section, green to glaucous green with bluish to reddish tinge, margins with minute distant pink teeth. Inflorescence a simple, very dense, cylindric, arcuate-erect raceme ±500 mm long; peduncle with many sterile bracts; bracts broadly ovate-acute, 10-20 x 8-11 mm, 7-many-nerved. Flowers red in bud, greenish white at flowering, cylindric-ventricose, 22-35 mm long; outer segments free almost to base, inner segments free; pedicels 3-10 mm long. Anthers exserted 9-16 mm. Ovary 5-6 x 2-4 mm, green; style exserted 10-16 mm. Fruit not seen.
Succulent, perennial, tree. Stem simple or branched, ± 3-4 m high, can reach up to 6 m, erect, with persistent dried leaves; rosettes oblique. Leaves dull glaucous-green with slight bluish or reddish tinge, without spots, lanceolate-attenuate, 0.6-0.8 m long, margins very narrow, deep to pale pink, with very small, pale red teeth. Inflorescences up to 4, always simple, arcuate-erect, ± 0.5 m high, with broadly cylindric, slightly acuminate, very dense racemes. Flowers red in bud, greenish white at maturity, 30-35 mm long; stamens and stigma well exserted. Flowering time Aug., Sept.
Single-stemmed or branched succulent tree mostly to 4 m, covered below with persistent dry leaves. Leaves dull glaucous-green with slight bluish or reddish tinge, without spots, lanceolate-attenuate, 60-80 cm long; margins narrow, deep to pale pink, with small, pale red teeth. Racemes simple, broadly cylindric, dense, arcuate-erect, ± 0.5 m high. Flowers red in bud, greenish white at maturity, 30-35 mm long; stamens and stigma well exserted.