Description from Flora of China
Shrubs, to 1 m tall, little branched; branches glabrous. Leaves opposite or ternate; petiole 2-10 mm, glabrous; blade drying papery, grayish green, narrowly oblanceolate or narrowly elliptic-oblong, 7-22 × 1-3(-4) cm, glabrous on both surfaces, base acute and decurrent, apex acute to long acuminate; secondary veins 12-15 pairs; stipules persistent, shortly united around stem, triangular to broadly ovate, 3-5 mm, glabrous, acute with arista 2-4.5 mm inserted below top of stipule, sometimes shortly bilobed. Inflorescences terminal, subsessile, corymbiform to congested-cymose, 2-4 × 2.5-4 cm (not including corollas), puberulent to glabrescent, subsessile to pedunculate; peduncle to 0.5 cm; bracts lanceolate to narrowly triangular, 2-6 mm, acute; pedicels to 2 mm. Flowers sessile to shortly pedicellate. Calyx puberulent; hypanthium turbinate, 1.5-2 mm; limb deeply lobed; lobes linear-lanceolate, 3-4 mm, subacute to acute. Corolla white; tube 30-40 mm; lobes narrowly elliptic-oblong, 6-7 × 2-2.5 mm, obtuse. Drupe red, ellipsoid-oblong, somewhat compressed and didymous, ca. 10 × 8 mm. Fl. May.
● Dense forests at humid riversides. Yunnan.