Sericostachys

High-scandent perennials with opposite branches. Leaves opposite, broadly ovate to lanceolate-ovate, entire; indumentum of jointed, barbellate hairs. Inflorescence a broad panicle with spike-like branches; each persistent bract subtending a central, bisexual, fertile and 2 lateral sterile flowers, consisting of several hair-like appendages, elongating and imparting to infructescence branches a Clematis -like look. Fertile flowers bisexual, with 2 greatly accrescent bracteoles. Tepals 5, free, +/-pilose. Stamens 5, very shortly fused into a disc-like rim at extreme base, alternating with very small pseudostaminodes; anthers 2-thecous. Ovary uni-ovulate, glabrous; style slender; stigma capitate. Capsule thin-walled, indehiscent, enclosed by and falling with persistent perianth and bracteoles.