Shrub, 1-3 m tall; branching 'corymbose', with foliage most dense at apex. Branchlets ferruginous to white woolly-tomentose. Leaves subpetiolate, rigid, flat, elliptic, 1.5-5 cm long, 5-20 mm wide, attenuate or cuneate, coarsely dentate with teeth 1-2.5 mm long, acute, tomentose, ferruginous, glabrescent; mucro 1-2.5 mm long. Inflorescence with c. 16 flowers; involucre 6 mm long; bracts appressed-pubescent in upper half; rachis 2.5-4 mm long, villous; pedicels 3.5-6.5 mm long. Perianth 3-3.5 mm long, cream or yellow. Pistil 7.5-8.5 mm long; ovary glandular-pubescent; gland absent. Fruit obliquely ovate, 2-2.2 cm long, 1.5-1.6 cm wide, black-pusticulate, pubescent; horns 3.5-4.5 mm long. Seed obliquely obovate, 11-12 mm long; wing partly down one side of seed body only.