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Stauntonia trinervia

Description from Flora of China

Stauntonia crassipes T. Chen.

Dioecious. Branches brownish purple, terete, striate when dry. Petiole 3--6 cm; leaf blade palmately 3--5-foliolate; petiolules 1.5--4 cm; leaflets oblong, obovate-oblong, or elliptic, 7--10 × 3--5 cm, leathery, abaxially glaucous, adaxially dark green and shiny, both surfaces brown tinged with yellowish green spots when dry, base rounded to slightly cordate, margin thickened and revolute, apex acutely mucronate to rounded cuspidate; primary veins 3; secondary veins 7 pairs, slightly prominent on both surfaces; tertiary veinlets sparse, slightly prominent on both surfaces. Racemes 4--6 cm, few flowered; bracts persistent; peduncle 1--2.5 cm. Male flowers: pedicel slender, ca. 1 cm. Sepals dull yellow, ca. 1.6 cm, thick, slightly fleshy; outer 3 sepals lanceolate to ovate-lanceolate, ca. 16 × 4--5 mm, adaxially slightly puberulous and 8-striate, apex obtuse; inner 3 sepals linear-lanceolate, ca. 2 mm wide, adaxially glabrous, 3-striate. Petals absent. Filaments ca. 4 mm, connate into a tube; anthers free, ca. 3 mm; connective apical appendage hornlike, ca. 4 mm. Pistillodes 3, ca. 1 mm. Female flowers not seen. Fruit green when young, oblong, ca. 9 × 4.5 cm, farinose, densely and minutely tuberculate, apex mucronate. Seeds subtriangular, ca. 9 mm; seed coat blackish brown, shiny. Fl. Apr, fr. Oct.

* Open forest on mountain slopes, along valleys; 400--1500 m. Guangdong (Zengcheng Xian, Wengyuan Xian)


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