Shrub, 6 m high. Branchlets terete, thin. Leaves in whorls of 3, papyraceous when dried; blades narrowly elliptic to narrowly obovate, 5-8.3 by 1-1.7 cm, ratio 4.2-7.1, base decurrent onto petiole, margin entire, apex acute; secondary veins straight, 18-30 pairs, not reaching the margin, joining, forming a submarginal vein. Inflorescence 2-3.4 cm long, terminal and axillary cymes, solitary or in whorls of 2 or 3, loose; peduncle 1-2.1 cm long, thin, slender. Sepals ovate, unequal in size, margin ciliolate, apex rounded, thick at the middle-basal part, thin along the margin, ciliolate outside. Corolla white, villose inside, rather dense, forming a belt of 1.5 mm wide just below the insertion of stamens; tube 10 mm long, tube-calyx ratio 5-5.6, tube-lobes ratio 1.4. Stamens inserted at 2-2.5 mm below the mouth, 0.7-0.8 of the length of the corolla tube; filaments 0.5 mm long. Pistil 5.6 mm long; ovary ovoid, gradually narrowed at apex towards base of style; style 4.1-6 mm long, split at base. Fruit syncarpous, ovoid, base rounded, apex acute; endocarps massive, hard, surrounding 4 spongy cavities of about 0.3 cm diameter. Seeds 2 at either placenta.
Home