Description from Flora of China
Herbs perennial, rhizomatous, sympodial, epiphytic. Rhizome horizontally creeping, often branched, moniliform, fleshy. Stem ascending or pendulous, simple. Leaves cauline, alternate, shortly or indistinctly petiolate, entire. Inflorescences terminal and often also axillary, racemose or subumbellate, often 1- or 2-flowered, sometimes 3--6-flowered. Flowers bisexual, pendulous, ebracteate. Perianth pinkish or whitish, tubular or campanulate; segments 6, imbricate, subequal, connate proximally for 1/5--5/6 their length. Corona absent. Stamens 6, in 2 whorls, outer ones shorter than or equaling inner; filaments filiform, smooth or verrucose, proximally adnate to perianth for most of their length; anthers lanceolate to ovate, introrse. Ovary ellipsoid, 3-loculed. Style slender; stigma capitate or 3-lobed, small. Fruit a berry, orange, globose to ovoid.
* Four species: China.
(Authors: Chen Xinqi (陈心启 Chen Sing-chi); Minoru N. Tamura)