Monoecious or dioecious shrublet to 30 cm. Leaves simple, subterete, adaxially channelled, aculeate, (20-)40-60 mm long, arranged in flat, imbricate fans. Flowers: male: sepals 8-10 mm long, linear-lanceolate, stamens ± 20; female: receptacle ± 4 mm long, oblong, sulcate.