Plant branched, branches usually spine-tipped, up to 1 mm, glabrous, papillose or bristly. Leaves 10-25 x 5 mm, with an ovate base, subulate or linear-filiform above. Bracts and bracteoles narrowly ovate, hardening, shorter than or exceeding the flowers. Perianth 3-4 mm, glabrous, the segments winged, wing with an entire or erose margin. Style elongate, thick.
1- Leaves 1-2,5 cm; bracts not or scarcely exceeding the flowers; branches usually numerous, short, spreading subsp. mucronata
1- Leaves 3-4 cm; bracts exceeding the flowers; branches themselves littlebranched, elongate subsp. tournefortii