In the north, the Sophora japonica in many places refers to the locust tree with prickly branches. Sophora japonica blooms in April of the lunar calendar and May of the solar calendar. Flowers have a good smell. This is Sophora japonica sung by most people in many songs. In addition, there are Sophora japonica or Sophora japonica in China and its varieties, which bloom in July and August, and the taste of flowers is not very good.

China Scholar Tree

Sophora japonica is a plant of Sophora genus, also known as Sophora japonica and Sophora japonica in China. Sophora japonica is slightly shade-tolerant, suitable for growing in moist, deep and well-drained sandy loam, calcareous and slightly saline-alkali soil can also grow normally, and has strong resistance to sulfur dioxide, chlorine and smoke. Its crown is round, wide, shaded, long life and wide application range. Sophora japonica originated in the north of China, and is now widely used in greening in the north and south of China. Common in North China Plain and Loess Plateau, with the largest number in the Yellow River Basin. It is a street tree and a shade tree widely used in northern cities of China, and it is also the only rootstock tree grafted with ornamental varieties such as Sophora japonica.

Chatting with Sophora japonica

Liaohongguohuai' is a new variation type found in the cultivated seedlings of Sophora japonica, and its height is11m; DBH is 27. 3 cm; Bark is grayish black and rough; Branchlets are green and have obvious lenticels; Petiole bud, black; Odd pinnate compound leaves; Panicle, terminal, long 14~ 23 cm, wide 13 ~ 2 1 cm, densely flowered; The calyx is bell-shaped, with five small teeth, and the corolla is butterfly-shaped, with a length of 1. 1 ~ 1.7 cm. The middle of the flag flap is pale pink and yellow, and the middle and lower parts of the wing flap and the dragon flap are lavender. The flowering period is from early July to mid-August. The flowering period is 7 days earlier and 7 days later than the original species of Sophora japonica, and the flowering period is about 14 days longer than that of Sophora japonica.

China Sophora japonica

Sophora japonica is a variety of Robinia pseudoacacia, also known as Robinia pseudoacacia, Robinia pseudoacacia, Robinia pseudoacacia and Robinia pseudoacacia. Its branchlets are purplish red, the epidermis of the old branches is longitudinally split into strips, the branches are twisted upward, irregularly twisted into nodes, with 7- 19 lobules, oval to ovoid, 2-5 cm long, the top is round or slightly concave, and the base is small, round and conical. The body length is 4 ~ 10 cm, and it splits along the abdominal seam when it matures. Sophora japonica has a beautiful tree shape and swaying posture, and has good ornamental effect in winter. It can be planted alone or in groups on the lawn and is a rare ornamental branch.

Butterfly locust

Robinia pseudoacacia, also known as Robinia pseudoacacia, is a variety of Robinia pseudoacacia. 3-5 leaflets are clustered together, the terminal leaflet is often 3-lobed, the lower part of the lateral leaflet often has large lobes, and the back of the leaf is hairy. It looks like a butterfly that landed on a branch, hence its name. It is a precious tree species in the garden, and it is suitable to use Robinia pseudoacacia as rootstock for propagation.