Toona sinensis is a deciduous tree of Toona of Meliaceae, with a height of 25 meters. The bark is dark brown and flaky. Branchlets are stout, with alternate leaves, odd pinnate compound leaves, 6- 10 pairs of leaflets, large leaf scars, 40 cm long and 24 cm wide, oblong lobules, tip tips,10-/2 cm long and 4 cm wide, and young leaves are purplish red, with green leaves and reddish brown back. Panicle terminal, pendulous, bisexual, white, fragrant, small, bell-shaped, ovary conical, 5-loculed, with 3 ovules per locule. Style shorter than ovary, new fruit, narrowly elliptic or nearly elliptic, about 2 cm long, reddish brown, leathery and bell-shaped when mature. It blooms in June, and the fruit matures from 10 to 165438+ 10. Oval shape, long wooden wings, small seeds, low germination rate, high oil content and edible.

Toona sinensis likes temperature, which is suitable for cultivation in areas with average temperature of 8- 10℃, and its cold resistance increases with seedling age. One-year-old seedlings planted directly may be frozen at about-65438 00℃. Toona sinensis likes light and is more resistant to moisture. It is suitable for growing in fertile and moist soil around rivers and houses, and sandy loam is generally better. The suitable soil pH value is pH 5.5-8.0.