Toona sinensis belongs to Toona of Meliaceae.

Toona sinensis is a tree; The bark is rough, dark brown and easy to peel off. Leaves with long stalks, even pinnate compound leaves, 30 to 50 cm long or longer; Leaflets 16-20, opposite or alternate, paper-like, ovate-lanceolate or elliptic, 9-15cm long and 2.5-4cm wide, with a rounded tip, a rounded base on one side, an asymmetrical wedge shape on the other side, entire or small serrations on both sides, hairless, without spots, often pink on the back, and two sides. Petiole is 5 to 10 mm long.

Panicles as long as leaves or longer, sparsely rusty pubescent or sometimes subglabrous, small cymes on short branches, many flowers; Flowers 4 to 5 mm long, pedicels short; Calyx 5-toothed or shallowly undulate, pilose outside, with eyelashes; Petals 5, white, oblong, obtuse apex, 4-5 mm long, 2-3 mm wide, glabrous; Stamens 10, of which 5 are fertile and 5 are degenerated; Disk glabrous, nearly rosary; Ovary conical, 5-ribbed, glabrous, 8 ovules per locule, style longer than ovary, stigma discoid.

Capsule narrowly elliptic, 2 to 3.5 cm long, dark brown, with small pale lenticels and thin petals; The seed base is usually blunt, with long membranous wings at the upper end and wingless at the lower end. Flowering period is from June to August, and fruiting period is 10- 12.

Toona sinensis likes temperature, which is suitable for cultivation in the area 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 pH5.5 to 8.0.

Originated in central and southern China. It is cultivated in the northeast from southern Liaoning, west to Gansu, north to southern Inner Mongolia, south to Guangdong and Guangxi, and southwest to Yunnan. Among them, Shandong, Henan and Hebei are the most planted. Xinyang, Henan Province has a large area of artificial forests. Qinling Mountains in Shaanxi and Xiaolongshan Mountains in Gansu are naturally distributed. It is vertically distributed in mountainous areas and vast plains below the altitude of 1500m, with the highest altitude of 1800m.

Toona sinensis has high nutritional value and is rich in potassium, calcium and magnesium, and the content of vitamin B group is also among the best in vegetables.

Toona sinensis is called "the vegetable on the tree" and is the tender bud of Toona sinensis. Every spring around Grain Rain, Toona sinensis buds can be made into various dishes. Toona sinensis leaves are thick and tender with red edges, just like agate and jade. Rich in flavor and nutrition, far higher than other vegetables.

Can be used to make Toona sinensis scrambled eggs, Toona sinensis bamboo shoots, Toona sinensis mixed with tofu, Toona sinensis fried rice cakes, Toona sinensis seedlings mixed with three shreds, Toona sinensis salted fish, Toona sinensis chicken breast, Toona sinensis tofu patties, Toona sinensis preserved egg tofu, Toona sinensis mixed with peanuts, Toona sinensis cold salad, Toona sinensis pickled, Toona sinensis cold salad.