Like light, slightly resistant to shade; Like warm climate, cold tolerance is not strong; I like fertile, moist and well-drained calcareous soil, and I am drought-tolerant and afraid of waterlogging. Strong germination, slow growth and long life.

Morphological characteristics:

Belongs to deciduous shrubs or small trees. Twisted branches; Bark is light brown and flaky, and it is especially smooth after peeling. Branchlets quadrangular, glabrous. Simple leaves opposite or subopposite, elliptic to obovate-elliptic. The flowers are bright red, with a diameter of 3 ~ 4 cm, forming a terminal panicle, and the flowering period is from June to September. The budded fruit is nearly spherical, with a diameter of about 1.2 cm,10 ~1month.