Chassalia curviflora (Wall.) Thwaites

Subshrubs, erect, 1-2 m tall; branches weakly flattened to subterete, glabrous or rarely sparsely puberulent. Leaves opposite; petiole 1-4 cm, glabrous; blade drying membranous to thinly papery and often yellowish green, oblong-elliptic, elliptic, oblanceolate, or narrowly lanceolate, 6-27 × 1.5-7.5 cm, glabrous, base cuneate to attenuate, apex acuminate to long acuminate; secondary veins 8-17 pairs, without domatia; stipules persistent, united shortly around stem, with interpetiolar portion broadly ovate or broadly triangular, 1.5-4.5 mm, acute or obtuse, entire or usually shortly bifid, with 1 or 2 bristles 0.3-1 mm, often gland-tipped. Inflorescence cymose, pyramidal to rounded, several to many flowered, puberulent; peduncle 1-5 cm; branched portion 3-7 cm; axes weakly flattened; bracts lanceolate to triangular or usually multifid, 0.5-3 mm. Flowers subsessile, trimorphic: with anthers exserted and stigmas included, with anthers included and stigmas exserted, or with anthers and stigmas both exserted. Calyx with hypanthium portion ellipsoid to obovoid, 1-1.5 mm, glabrous; limb 5-lobed, 0.5-1 mm; lobes 0.3-0.5 mm, acute. Corolla white with pink, red, or orange on lobes, outside glabrous to sparsely puberulent and longitudinally ridged to winged along tube then midribs of lobes; tube shallowly to markedly curved, straight or bent at base, 10-15 mm, pubescent inside; lobes (4 or)5, ovate-triangular, 2-2.5 mm, at apex thickened. Infructescence axes becoming swollen and red. Fruit purple, oblate to globose or weakly didymous, 5-7 × 6-9 mm.

Bangladesh, Bhutan, Borneo, Cambodia, E and NE India (including Andaman Islands), Indonesia, Malaysia, Philippines, Singapore, Sri Lanka, Thailand, Vietnam