Plants stemless, solitary or in small groups. Leaves about 25 cm long, 15 cm wide, spreading, triangular, glaucous, not shiny, heavily white-spotted; margins brown, horny, with sharp teeth; teeth 1-3 mm long, 2-8 mm apart, Inflorescences to 60 cm tall with 2-3 branches, erect; branches erect, conical to subcapitate, flowers rather closely spaced; bracts about 20 mm long, 5 m wide; pedicels to 30 mm long. Flowers orange-scarlet with a yellow mouth, obliquely spreading; perianths cylindric with a pronounced basal swelling, about 23 mm long, diameter at level of ovary about 6 mm, abruptly contracted above to about 3.5 mm, outer tepals free for about 5 mm; anthers and stigmas scarcely exserted.
Aloe grisea grows in Juniperus-Buxus forest and scrub and in Vachellia etbaica scrub, frquently in much degraded parts of these associations. It grows on limestone or basement rocks at 1200-1700 m in regions N1 and N2 of the Flora of Somalia and in Djibouti.
Pickering & Awale (2018) Introduction to Plants of Central Somaliland. Page 21.
Plants stemless, solitary or in small groups. Leaves spreading, triangular, bluish, with many white spots; margins horny, brown with sharp teeth. Flowers on an erect stalk up to 60 cm with 2–3 branches, orange/scarlet with yellow mouth and a pronounced swelling at the base. Fruit a capsule.
Habitat: Stony ground, altitude 1200 - 1700 m.
Distribution: Djibouti.
Plants of the World Online (POWO): Aloe grisea. The distribution map shows the countries where the taxon is considered native or introduced but is now growing in the wild.
Global Biodiversity Information Facility (GBIF): Aloe grisea. Records may be of cultivated specimens.