Vasilis Teodoridis:
Meliaceae | Heynea
1. Heynea trijuga Roxburgh; Bot. Mag. 41: t. 1738. 1815.
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Heynea trijuga var. microcarpa Pierre; H. trijuga var. pilosula C. Candolle; Trichilia connaroides (Wight & Arnott) Bentvelzen; T. connaroides var. microcarpa (Pierre) Bentvelzen; Walsura trijuga (Roxburgh) Kurz; W. trijuga var. microcarpa (Pierre) S. Y. Hu; Zanthoxylum connaroides Wight & Arnott.
Trees 5-10 m tall. Old branches glabrous; young parts yellow pubescent; black or dark brown when dry; with sparse lenticels. Leaves alternate; usually 20-36 cm; rachis cylindric or ridged; glabrous; leaflets 7 or 9; opposite; leaflet blades lanceolate; ovate; or oblong-elliptic; (5-)8-16 x (2.5-)3.5-5(-7) cm; membranous; abaxially pale and glabrous or yellow pubescent; adaxially glabrous; secondary veins 8-12 on each side of midvein; base oblique; margin entire; apex acuminate. Thyrses axillary; slightly shorter than leaves; peduncle pubescent. Flowers 3-4 mm. Pedicel ± as long as flowers; thin; pubescent or glabrous. Calyx 4- or 5-lobed; lobes orbicular to obtusely triangular; outside pubescent or glabrous. Petals 4 or 5; white or creamy white; oblong-elliptic; outside pubescent or glabrous. Filament tube 10-parted to below middle; pubescent or glabrous; segments inside covered with hard trichomes; tips 2-cleft; anthers 8-10; inserted between 2 lobes of filament tips. Ovary spherical; glabrous; style ± as long as filament tube; stigma spherical; tip 2-cleft. Capsule ellipsoid and with a carpopodium; (1.5-)2.5-3 x 1-2.5 cm; glabrous; 1-seeded. Seed black when dry; with a white aril. Fl. Apr-Jun; fr. May-Jun and Nov-Dec.
Forests in hilly regions; 200-1300 m. Guangdong; Guangxi; Gui-zhou; Hainan; Yunnan [Bhutan; India; Indonesia; Laos; Nepal; Philippines; Thailand; Vietnam].