Glabrous shrub, 5 m, branches marked with prominent lenticels. Leaves crowded at the ends of the branches, sessile or with a very short petiole, lanceolate, up to 135 by 18 cm, narrowed gradually to the base, apex acuminate, margin entire or undulate, midrib prominent, lateral veins arching upwards, reticulation rather indistinct. Inflorescence rachis simple or forked, to 70 cm, at maturity 5 mm ø, bearing small lanceolate bracts. Peduncles arising from the axils of all but the lowest bracts, 3-4 mm long, elongating to c. 15 mm in fruit. Umbellules with c. 11 minute bracts. Flower buds when dry c. 3 mm long. Calyx rim with 5-6 minute teeth. Petals slightly fleshy, 2 mm long. Stamens 5-6, filaments broad; anthers 4-celled, ¾ mm long. Ovary glabrous. Disk with a central boss formed by closely appressed subulate arms which soon recurve and spread beyond the calyx. Fruit with (4-)5-6 prominent ridges when dry, c. 2 by 1.5 cm, with the persistent style arms in a terminal depression.