Woolly perennials with woody base; hairs simple. Leaves alternate, linear to narrowly obovate, fleshy. Flowers 2 to many per leaf axil, fused together and sessile without individual bracts, bisexual. Perianth cup-shaped, woolly, or villous; lobes 5, erect. Stamens 5. Ovary glabrous; style slender. Fruiting perianths woody, firmly united together in an axillary cluster and deciduous as a whole; spines present or absent, where present arising opposite perianth lobes or from the fused bases of the perianths. Pericarp crustaceous above. Seed horizontal with ascending radicle; perisperm central.
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