Succulent shrublet, up to 1 m tall, with erect, sparsely branched stems, leafless below, 6-15 mm diam. Leaves crowded at branch tips, deciduous, fusiform-falcate and compressed, 60-110 x 5-7 mm. Flowerheads in shortly pedunculate corymbs usually nested among leaves, radiate, yellow; involucre cylindrical, 3-5 mm diam., bracts ± 8, 7-12 x ± 1 mm, bracteoles ± 3, subulate.
Gnarled or erect, succulent shrub with cane-like stems, 30-200 cm. Leaves fusiform, glaucous, striate. Flower heads discoid, in sparse corymbs clustered apically, yellow.
Like S. aloides but flower heads smaller, several in branched corymbs.