Plants caulescent, suckering and forming small groups; stems to 40 cm tall, obliquely ascending. Leaves about 10, to 30 cm long and 7 cm wide, lanceolate, horizontally spreading to recurved, creamy yellow with numerous longitudinal red-brown lines; margins cartilaginous, sharply edged, with or without blunt cartilaginous teeth les than 0.5 mm long. Inflorescences 50-60 cm tall, with up to 12 branches, branches elongate with flowers widely spaced; bracts 3-6 mm long; pedicels 5-7 mm long. Flowers yellow, susecund; perianth 16-20 mm long; anthers exserted about 5 mm; stigma exserted about 5 mm.
Aloe brunneostriata grows in semi-desert flats, on limestone, at about 640 m. It is only known from region N3 of the Flora of Somalia (northern Puntland).