to deciduous trees. Leaves opposite, simple, petiolate, entire or shallowly
dentate towards apex, stipules entire, caducous, appressed, flattened at shoot
apices. Flowers subsessile in globose pedunculate heads, peduncles simple,
borne near base of current growth, bracteoles interfloral, slender, clavate.
Calyx tube short, lobes narrowly clavate. Corolla hypocrateriform, tube dilated
at apex, lobes short. Anthers subsessile in corolla throat, basifixed, partly
exserted. Ovary 2-locular, ovules numerous, styles long, exserted, stigmas
capitate. Fruits free, dry, dehiscent. Seeds shortly winged.