Trees or creeping, cushioned, erect shrubs. The branches are cylindrical and the pith is nearly round. There is no terminal bud, the lateral buds are usually close to the branches, and the bud scales are single. Leaves alternate, sparsely opposite, usually narrow and long, mostly lanceolate, pinnately veined, serrated or entire; Petiole short; Stipules, serrated, usually early, sparsely persistent. Inflorescence erect or obliquely spreading, leaves open first, or open at the same time with leaves, leaves open after sparse; Bracts entire, hairy or glabrous, persistent, sparsely caducous; Stamens 2- numerous, filaments free or partially or completely connate; Gland 1-2 (located between inflorescence axis and filament, abdominal gland, near bract, dorsal gland); The pistil consists of 2 carpels, the ovary is sessile or stipitate, the styles are different in length, or missing, single 1 or dehiscent, the stigma 1-2, dehiscent or indehiscent. Capsule 2-valved; The seeds are very small. How dark brown