Pachystigma

Shrublets, sometimes rhizomatous with a strong rootstock. Leaves opposite, rarely in whorls of 3, shortly petiolate; stipules connate at base, villous within, often at length deciduous. Flowers in simple, axillary cymes, rarely fasicled; bracts and bracteoles present. Calyx 5-partite; segments triangular or linear, obtuse, often foliaceous, sometimes exceeding corolla tube. Corolla 5-lobed, green or greenish yellow to greenish white, glabrous or hairy; lobes variable, reflexed, often apiculate; tube shortly and broadly cylindric, with ring of deflexed hairs inside, throat usually slightly hairy. Stamens 5, arising in corolla mouth, exserted; filaments usually shorter than anthers; anthers lanceolate, sometimes apiculate. Disc annular, tumid. Ovary (4)5-locular with a single pendulous ovule in each locule; style slender, terete, exserted; stigmatic knob shortly and broadly cylindric, often sulcate, obscurely (4)5-lobed. Fruit a globose or obovoid drupe, with 2-5 pyrenes, crowned by persistent calyx limb. x