Trees to 25 m tall, to 4 m d.b.h., base buttressed. Bark slightly red, scalelike. Branches gray, expanding, smooth. Leaves alternate, ca. 35 cm; petiole 3-6 mm, thin, glabrous, base slightly swelling; leaflets 8-12; leaflet blades ovate to lanceolate, 10-16 × 4-6 cm, leathery, glabrous to sparsely pubescent, abaxially light green, adaxially dark green, secondary veins 10 on each side of midvein, base oblique, margin entire or with 1 or 2 serrations, apex long acuminate. Thyrses axillary, 6-15 cm, glabrous, with short and lax branchlets. Flowers small. Pedicel ca. 3 mm. Calyx cup-shaped, 5-lobed; lobes short and truncate, apex rounded. Petals greenish white, obovate, 3-4 mm, glabrous. Staminal tube subcylindric, glabrous; anthers 10. Disk annular. Ovary conic to ovoid, longer than disk, with 12 ovules per locule; style longer than ovary, glabrous; stigma disciform. Capsule brown, ovoid, ca. 8 cm in diam., many seeded. Seeds apically winged, ca. 7 cm including wing. Fl. May-Jun, fr. Oct-Nov.
More
Similar to S. macrophylla but leaves 2–4-jugate, leaflets c 3.5 cm long; thyrse to 5 cm; fruit smaller.
Tall tree with smaller, more attenuate leaflets and smaller fruits than S. macrophylla.
Home
