Description from Flora of China
Saraca chinensis Merrill & Chun.
Trees, 5-20 m tall. Trunk ca. 25 cm d.b.h. Petiolules 7-12 mm; leaflets 5 or 6 pairs, slightly purplish red when young, pendulous, narrowly elliptic, ovate-lanceolate, or narrowly obovate, 15-35 × 5-12 cm, subleathery, lateral veins 8-11 pairs, lowest pair often smaller, base cuneate, apex acuminate, acute, or obtuse. Inflorescence axillary, larger; rachis hairy or glabrous; involucre caducous, broadly ovate, large, hairy; bracts caducous or late deciduous, ovate, lanceolate, or oblong, 1.5-5 × 0.6-2 cm, lowest one largest, gradually smaller upward, hairy or glabrous; bracteoles equal to bracts in shape but much smaller. Flowers bisexual or unisexual, yellow, base of calyx lobes, disk, stamens, and style becoming red; pedicels shorter than calyx tube, not articulate. Calyx tube 1.5-3 cm; lobes 4(-6), oblong, ciliate. Stamens 8-10 including 1 or 2 often reduced to subulate; filaments exserted; anthers oblong, 3-4 mm. Ovary slightly curved, glabrous or hairy along sutures and stalk. Legume brownish, compressed, 22-30 × 5-7 cm, valves twisted. Seeds 5-9, unequal in shape, shallowly depressed sulcate at middle of both surfaces. Fl. Apr-May, fr. Jul-Oct.
This is a fine parasitifer plant, which can be used for breeding lac insects. The bark is used medicinally for relieving rheumatism and menorrhagia. The flowers are large and showy, and the trees are often cultivated ornamentally.
Dense or sparse forests, riversides, along valleys, by streams; 200-1000 m. Guangdong, SE and SW Guangxi, SE Yunnan [Laos, Vietnam].