Description from Flora of China
Shrubs evergreen, usually epiphytic, 0.5–1.2 m tall, glabrous. Twigs terete; bud scales inconspicuous. Leaves 3–5-pseudoverticillate, sessile; leaf blade ovate or elliptic, 6–15 × 2.5–7 cm, papery to leathery, secondary veins 8–12(–14) pairs, spreading, fine veins raised abaxially, slightly raised adaxially, base broadly obtuse-rounded to narrowly cordate, margin plane, entire, without basal glands, apex acuminate. Inflorescences racemose, 2–4- in whorl of leaves, 7–10 cm, slender, sometimes glaucous, many secund flowered; bracts caducous. Pedicel purple, 0.5–1.5 cm, slender, thickened upwards. Hypanthium subglobose, ca. 2.3 mm; calyx limb ca. 2.2 mm, divided 1/3–2/5; calyx lobes triangular, ca. 1 mm. Corolla white-green, urceolate-tubular, 6–7 mm; lobes less than 1 mm. Filaments ca. 2.5 mm, subglabrous; anthers ca. 4.5 mm, papillate, without or with 2 small spurs; tubules ca. as long as thecae. Berry 10-pseudoloculed, purple-green, ca. 4 mm in diam.; fruit stalk purple-green. Fl. Mar, fr. May.
Below evergreen trees, usually epiphytic, riversides; 1000–1400 m. NW Yunnan (Dulongjiang) [Myanmar].