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FOC | Family List | FOC Vol. 11 | Aceraceae | Acer

9. Acer sect. Spicata Pax, Bot. Jahrb. Syst. 6: 326. 1885.

穗状枫组 sui zhuang feng zu

Leaves 3- or 5-lobed, margin serrate. Bud scales 2(or 3)-paired. Inflorescences dense, racemose, upright. Pedicels very short. Flowers 5-merous. Stamens 8. Disk extrastaminal. Nutlets veined, one side convex, other side concave.

Three species: E and S Asia, North America; two species in China.

1 Leaf blade ovate, 8-12 cm in diam., lobes triangular-ovate, margin doubly and sharply incised-serrate, with acuminate teeth, abaxially yellowish pilose; samara wing including nutlet 2.5-2.8 cm; peduncle and pedicel relatively short.   80 A. caudatum
+ Leaf blade suborbicular, 7-9 cm in diam., lobes broadly ovate, margin coarsely serrate, with broad acute or ± obtuse teeth, abaxially densely yellowish tomentose; samara wing including nutlet 1.5-2 cm; pedicel and peduncle relatively long.   81 A. ukurunduense

Lower Taxa


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