紫白枫 zi bai feng

Acer hypoleucum Hayata; A. litseifolium Hayata.

Trees small, to 15 m tall, andromonoecious. Bark dark. Branchlets of present year pubescent, glabrescent; winter buds ovoid, glabrous, ciliate on margin, ca. 6 pairs. Leaves persistent; petiole 1-3.5 cm, pubescent; leaf blade abaxially whitish glaucescent, adaxially green, oblong or oblong-lanceolate, 2.5-13 × 1-4 cm, leathery, abaxially densely pubescent, adaxially glabrous, 3-veined at base, veins slightly raised abaxially, lateral veins 5 or 6 pairs, base obtuse to cuneate, margin entire or rarely slightly undulate, apex caudate to acuminate. Inflorescence terminal on leafy branchlets, corymbose; peduncles ca. 1.5 cm, densely pubescent. Flowers small. Sepals 5, orbicular-ovate. Petals 5, oblong-ovate. Stamens 8. Disk not distinct, extrastaminal. Ovary hairy. Infructescence terminal, corymbose, on leafy branchlets. Samara glabrous; nutlets convex, ca. 5 mm in diam.; wing including nutlet 1.5-2.5 cm × ca. 6 mm, wings spreading at 50°-70°. Fl. Apr, fr. Sep.

● Forests; 400-2000 m. Taiwan.