Is Koelreuteria paniculata evergreen or deciduous?

Koelreuteria also known as wood, Luan Hua, etc., generally grow in the calcium-based soil produced by limestone weathering, so is Koeluan evergreen or deciduous plants?

Is Koelreuteria paniculata evergreen or deciduous?

Koelreuteria paniculata is a kind of deciduous shrub or tree, which belongs to the genus Euphorbiaceae. The main distribution areas in China are the Yellow River Basin and the lower reaches of the Yangtze River Basin.

2. Growth habits of Koelreuteria paniculata

Koelreuteria paniculata is a kind of plant that likes light and is slightly tolerant to semi-shade, but it is not resistant to flooding. It pays attention to land, is resistant to drought and barren, has strong adaptability to the environment, likes to grow in calcareous soil, and is tolerant to salt and short-term waterlogging. Koelreuteria paniculata has deep roots, strong tillering ability, medium growth rate, slow growth of young trees, and then gradually faster, and has a strong ability to resist smoke and dust. It is often planted in the Central Plains, especially in Xuchang.

Koelreuteria paniculata has strong wind resistance, can withstand the low temperature of minus 25 ℃, and has strong resistance to dust, sulfur dioxide and ozone. Mostly distributed in the low mountains and plains below 1500 meters above sea level, up to 2600 meters above sea level.

3. Propagation methods of Koelreuteria paniculata

1. Cuttage seedling

After the trees were defoliated in autumn, the trunks of the basal diameter 0.5~2cm were collected as seed strips, or the sprouting seedlings and overgrown branches of perennial Koelreuteria paniculata were collected as seed strips, preserved in winter and cut in the following spring.

2. Sowing and reproduction

The excellent single tree with good growth, straight stem shape, open crown, full fruit and strong age was selected as the seed mother tree, and the seed was collected in time when the fruit was reddish brown or orange but the capsule had not yet cracked, and then germinated and sowed.