Chinese name: Yuanbaoshu

Latin name: Pterocarya stenoptera

Alternative names: maple poplar, hemp willow, centipede willow

Distribution area: south of the Yellow River Basin, east from east Shandong, west to Hubei and Sichuan, and south to Guangdong.

Family and genus: Juglandaceae ingot tree genus

1. Morphological characteristics of ingot tree

Ingot tree is an evergreen broad-leaved tree with a height of 30 m, diameter at breast height up to 2 m. Odd-pinnate compound leaves, leaflets oblong, subopposite, entire, leathery and glossy. The bulb germinates from the base, the size of an egg, the leathery hypertrophy, plump, round, and lustrous, persists on the surface of the potting soil, the panicles are born on the branches, the small flowers are yellow, the flowering period is in spring and summer, and the fruit ripening period is August-September. . And ingot tree not only has good garden value, but also has good industrial value and feng shui effect.

2. Growth habit of the ingot tree

The ingot tree likes light. Hardier. Hi fertile. Resistant to water and humidity, mostly born near water. The sapling grows fast, the fast-growing period lasts to about 15 years, and then the growth gradually slows down. Early fruiting, 40 to 60 years old. deep roots. Short lifespan. It is an important afforestation tree species in plain lake areas, low mountain valleys and river banks, as well as urban greening tree species. The ingot tree has a wide canopy, dense branches and leaves, rapid growth and developed root system. It is a good greening tree species for low-lying wetlands on both sides of the riverbed. It can be used as a street tree, or planted in pieces or alone on lawns and slopes, which can form a certain landscape.

3. Planting methods of ingot trees

Young ingot plants are suitable for small potted plants and can be viewed indoors. When grown, it can be used as a garden ornamental plant (in the north, it can be cultivated indoors in a large pot). Plants need to be topped during growth to maintain a perfect plant shape. In order to prolong the viewing time of Yuanbao of green ingots, it is suitable for places with cool tips and half shade. The watering during the growth period should grasp the principle of seeing the dryness and see the wetness, and apply alum fertilizer water once a month. It requires moderate-intensity scattered light, can tolerate shade, and avoid hot sun exposure in summer. , The air is dry in the summer in the north, and it is necessary to spray water on the leaves frequently, and the plants should be sprayed with water frequently, but avoid water accumulation in the basin, so as not to cause the cotyledons to rot. Keep the potting soil slightly dry in winter, and do not water it when it is dry to prevent more rotten roots.

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