Acer tsinglingense

Acer tsinglingense is in the soapberry or Sapindaceae family and is native to the mountains of Shaanxi, Henan and Gansu provinces in north central China, at elevations from 1,200 to 1,500 m. It is a small tree, reaching up to 10 m in height.

• Branchlets are slender, young branchlets light purple, pubescent; old branches are light brown, glabrous; winter buds are conical, scales ciliate along margin. Bark is gray-brown.
• Leaves are deciduous, simple, opposite, pubescent, papery and 4–9.5 cm long and 4–11 cm across, with 3 primary veins, 9–11 secondary vein pairs; leaf is 3-lobed (rarely 5-lobed), base rounded, lobes ovate, margin undulate or with 1 or 2 obtuse teeth; apex is acute; lateral lobes spreading horizontally; petiole is 6–10 cm long.
• Inflorescences form in racemes 3–5 cm across, slender; flowers have 5 sepals, are light greenish, oblong, 5 mm across, in early spring flowering.
• Fruit is a winged samara, in pairs (double samara), with wing including nutlet 4–4.5 cm long and 1–1.2 cm across, wings spreading erectly or acutely, ripening in Aug-Sep.