Trees. Leaves alternate, shortly petiolate, with brochidodromous venation. Inflorescence elongate, terminal and lateral, mostly paniculate, with 1-2 orders of branching, or rarely racemose, anauxotelic; ultimate branches racemose. Flowers zygomorphic, andromonoecious, subtended by scale leaves. Tepals free, curved to anterior. Hypogynous glands 4, subequal. Staminal filaments adnate to tepals. Fertile anther linear-oblong, introrse; connective slightly wider than loculi, extending beyond loculi as terminal appendage. Staminodes resembling stamen but narrower. Gynoecium absent in male flowers; ovary obloid, sessile; style curved to anterior; stigma anterolateral. Ovules and seeds 15-22. Follicle dorsiventrally compressed-ovoid to-ellipsoidal. Cotyledons 2.