Clump-forming, fibrous-rooted, succulent perennial, with branches up to 0.25 m tall. Leaves oblanceolate to elliptic, dorsiventrally flattened, pale grey-green with a waxy bloom, margin horny in upper half. Flowers in a spike-like, usually unbranched inflorescence; corolla tube 9-11 mm long, pale grey-green with a thick waxy bloom, lobes 3-4 mm long, with minute, club-shaped hairs in throat.