However, at present, Catalpa bungeana is not well-known and cultivated in nursery, which can not meet the needs of the project. Moreover, Catalpa bungeana is a flowering tree, which is a relatively scarce tree species in the garden at present. In a word, the market prospect of catalpa is very considerable.
Morphological characteristics of 0 1
Catalpa bungeana, deciduous tree, tree height 15m. The crown is obovate or oval, and the bark is brown or grayish yellow. Leaves cordate, sometimes palmately lobed; Panicle terminal, trumpet-shaped, pale yellow, with yellow stripes and purple spots; Capsule is linear, drooping, dark brown and does not fall in winter. The flowering period is from June to July, and the fruiting period is from August to June.
Growth habit
Like light, slightly tolerant to shade, cold-resistant, like deep, fertile and moist soil, not tolerant to drought and barren, and tolerant to mild salinity. It grows faster and can be cultivated in the gap in the corner. Farming can be carried out in the Yangtze River valley in China and its north area.
03 ornamental value
Catalpa bungeana has a straight body, a stretched crown, thick leaves, white flowers in spring and summer, and pods in autumn and winter, which has good ornamental value.
Landscape application
Catalpa bungeana is a fast-growing tree species, which can be used as a street tree and a shade tree. It can also be planted in clumps on lawns and hillsides, or mixed with evergreen trees; Strong anti-pollution ability, and can also be used as a plant greening tree species.
05 medicinal value
Catalpa also has many medicinal values. "Purple white skin" is made from the root bark or phloem of trees, which can clear away heat and promote diuresis, reduce adverse reactions, stop vomiting, kill insects and relieve itching; "catalpa leaf" can clear away heat and toxic materials, kill insects and relieve itching; "Catalpa" is the fruit of Catalpa, which is beneficial to water swelling. Leaves or bark can also be used as pesticides to kill rice borers and rice planthoppers.
06 wood application
Zimu is the oldest and most common high-grade furniture material in China. Lu Songdian's article "Ya Ya Shi Mu" said: "The length of a hundred trees is called the king of wood." In ancient times, there were five acres of houses to grow mulberry, which was eaten by mulberry and used as a tool, so the village was called mulberry in ancient times; In ancient times, there were trees as catalpa; Architects and carpenters are both Catalpa people and craftsmen. Zimu is reddish brown, light and soft, and can be used not only for furniture, but also for block printing, so the manuscript was also called "Fu Zi" when it went to press.
In addition to Catalpa bungeana, Catalpa bungeana, Huang Jinshu and their horticultural varieties' Catalpa bungeana' and' Catalpa bungeana' are all potential native tree species.