How Does the Willow Tree Spread Its Seeds? A Detailed Explanation of Its Seed Dispersal Methods

Willow trees spread their seeds by wind. The seeds of the willow tree generally mature in April to May, and the seeds are very small, covered with white down; because they scatter with the wind like floating catkins, they are called willow catkins, and the willow tree relies on the drifting of these willow catkins to spread its seeds far away to take root and sprout. Other plants that also spread their seeds by wind include poplars and dandelions.

Common Varieties of Willow

1. Weeping Willow

The branches are slender and drooping, and the leaves are narrowly lanceolate or linear-lanceolate. It has strong vitality and is one of the common tree species, as well as a commonly used street tree in landscaping. It is produced throughout the Yangtze River basin and the Yellow River basin and cultivated in various places, and has been introduced and planted in countries across Asia, Europe, and the Americas.

2. Dry Land Willow

The branches are upright or spreading at an angle, the leaves are widest in the middle, and the base is rounded or broadly wedge-shaped. It likes light and tolerates cold, and can grow in both wetlands and dry land. Its root system is well developed and its wind resistance is strong. It often grows in arid land or waterlogged wetland, and has not yet been introduced and cultivated artificially.

3. White Willow

The crown is broadly ovate, and the leaves are lanceolate to oblanceolate. The young leaves have silvery-white silky hairs on both sides; the mature leaves are usually hairless on the upper side and slightly downy or nearly hairless on the lower side. The inflorescences are relatively long. It is cultivated in Xinjiang, Gansu, Qinghai, Tibet, and other provinces and regions.

4. Purple Willow

The leaves are small, fine spindle-shaped, green, and smooth. The branches are relatively dense, and the plant is hemispherical. The male inflorescences have sparse flowers, and the female flowers have 2 glands. The flowering period is in April. It is distributed in Hubei, Hunan, Jiangxi, Anhui, Zhejiang, Jiangsu, and other provinces in China.