What is it, a big flower and a happy tree?

Campsis grandiflora is a vine of Polygonaceae, which is distributed in the central part of China. Like warm and humid sunshine environment, slightly resistant to shade.

Climbing other things takes root and grows upward by air, with pinnate compound leaves, oval leaflets, serrated edges, bright red flowers, funnel-shaped corollas and capsules. They like well-drained soil, are more resistant to water and humidity, and have certain salt and alkali tolerance.

It has medicinal value, effects of promoting blood circulation, removing blood stasis, cooling blood and expelling wind, and ornamental value.

Ling Xiao was recorded in the Book of Songs as early as the Spring and Autumn Period. At that time, people called it Lingheng. "It's beautiful, but expensive" means Lingxiao. The name of Camptotheca acuminata first appeared in Tang Materia Medica. Under the title of Osmunda japonica, it said, "This is a Camptotheca acuminata, and it is also a stem and leaf.