Cheiloclinium Miers

Lianas or slender shrubs or trees usually with the upper branches scandent, glabrous throughout or essentially so, the branches and branchlets opposite; milky latex present. Leaves opposite, petiolate. Inflorescences axillary, pedunculate, thyrsoid, corymbose or cymose. Flowers hermaphrodite, small, pedicellate; sepals 5, narrowly imbricate, semiorbicular to deltoid or ovate, often erosulous or fim-briolate at the margins; petals 5, narrowly imbricate, usually rounded at the apex and entire, often thinly carnose; disc discontinuous, composed of 3 saccate, carnose, staminiferous lips confluent with the base of the ovary; stamens 3, the filaments often slightly enlarged at the apex, the anthers small, extrorsely nutant, trans-versely ellipsoid-, dehiscing by transversal, confluent, extrorse clefts; ovary 3-lobed, flattened at the truncate apex, 3-celled, the cells 2-or 4-ovulate, the ovules usually attached to the upper portion of the interior angles, collateral or superposed or in superposed pairs; stigmas 3, sessile, radiating, entire or emarginate or bilobed, op-posite the stamens and alternating with the cells of the ovary. Fruits drupaceous, small or medium-sized, subglobose, the pericarp coriaceous, the dissepiments soon evanescent; seeds 2-6, embedded in mucilaginous pulp, angulate, wingless.