Dipteronia sinensis

Dipteronia sinensis is in the soapberry or Sapindaceae family and is native to mainland China. It is a deciduous flowering shrub or small tree, reaching 10–15 m tall.

• Leaves are opposite and pinnate, 25–30 cm long with 9–11 ovate leaflets up to 15 cm long and with prominently serrated margins.
• Flowers are in terminal or axillary panicles; pistillate (female) flowers have 5 petals and sepals; staminate flowers have 8 stamens; and bisexual flowers have a two-celled ovary.
• Fruit is a rounded samara containing two compressed nutlets, flat, encircled by a broad wing which turns from light green to red with ripening.