Leaves are glabrous and sometimes pubescent beneath. The perianth is glabrous or puberulent outside and densely pubescent inside. Branches are low and branchlets are glabrous. It is a genus of small, evergreen trees with smooth, glabrous, or pubescent branchlets. Below the head is an involucre of glabrous green bracts long with brownish edges. The arista is plumose in its basal half, or rarely pubescent or glabrous. The stipe is slender, glabrous, and longitudinally furrowed or ridged. The bracteoles and sepals are smooth (glabrous) on the outside. The inflorescences are long and are glabrous throughout. The twigs are red to grayish brown, slender, and glabrous. The flowers are glabrous and mostly yellowish orange, or sometimes reddish. The seeds are subquadrate, rugose and glabrous. The stems can be glabrous or sparsely covered with short hairs. The twigs are glabrous or thinly hairy. The leaves are spirally arranged, often densely hairy, though glabrous (hairless) in some species.