1. Pittosporum crispulum Gagnepain, Bull. Soc. Bot. France. 55: 546. 1908.
皱叶海桐 zhou ye hai tong
Pittosporum lignilobum Hu & F. T. Wang.
Shrubs to 3 m tall. Young branchlets red-brown after drying, glabrous; previous year’s branchlets not lenticellate. Leaves clustered at branchlet apex, biennial; petiole 1–1.5 cm; leaf blade pale green abaxially, dark green and slightly shiny adaxially, dull green after drying, oblanceolate or lanceolate, 8–18 × 3–5 cm, thinly leathery, glabrous, lateral veins 13–20-paired, base cuneate, margin slightly rugose or sinuolate, apex acuminate. Inflorescences 2–4, clustered in leaf axils at branchlet apex, umbellate, 2–5-flowered; pedicels 1–2 cm, glabrous. Sepals slightly connate at base, triangular-ovate, ca. 3 mm, glabrous, margin ciliate. Petals ca. 1.5 × 0.2–0.25 cm. Stamens ca. 1 cm; filament 5–7 mm; anther ca. 2 mm. Pistil 8–10 mm; ovary 2–3 mm, pubescent, wall ca. 0.5 mm thick; placentas 3–5, parietal; ovules 10–15 per placenta in 4 rows; style 2–2.5 mm. Capsule ellipsoid or pear-shaped, 2.5–3 cm, dehiscing by 3–5 valves; pericarp ca. 2.5 mm thick, woody, pubescent abaxially; pedicel 1–2.5 cm; stipe 2–4 mm. Seeds 45–50 per valve in 2–4 rows, 2.5–3 mm; funicle 1–1.5 mm. Fl. Feb–May, fr. Jun–Oct.
Damp places in forests, thickets; 500--1800 m. NW Guizhou (Chishui Xian), Hubei, Sichuan, Yunnan.
This species is used medicinally to treat nephritis and stop vomiting.