桂林枫 gui lin feng

Acer huangpingense T. Z. Hsu.

Trees 6-8 m tall, andromonoecious. Bark gray or brownish gray, smooth. Branchlets glabrous, young branchlets green. Petiole 4-5 cm, villous; leaf blade abaxially green, adaxially deep green, elliptic, 5-8 × 7-11 cm, papery, abaxially distinctly villous on primary veins, adaxially glabrous, base truncate or nearly cordate, margin serrate, apex caudate-acute. Inflorescence erect, paniculate, 4-9 cm, glabrous; peduncles ca. 3 cm. Sepals 5, purplish green, oblong, ca. 1.5 mm. Petals 5, whitish green, oblong, ca. 1.5 mm. Stamens 8. Disk glabrous, slightly lobed, extrastaminal. Ovary densely villous. Samara purplish red when young, yellowish brown when mature, 2-2.5 cm; nutlets convex, globose, ca. 4 mm in diam.; wings 6-8 mm wide, spreading at obtuse angle. Fl. Apr, fr. Sep.

● Sparse forests; 1000-1500 m. NE Guangxi, SE Guizhou.

Acer kweilinense is characterized by its villous ovary, abaxial veins, and petioles.