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What are the leaves of willow?

Willow leaves are needle-shaped, green and have short petioles, just like meniscus and eyebrows.

Willow leaves are like eyebrows and the moon. Generally, leaves are alternate, but few are opposite. Its leaves are very narrow and long, lanceolate, some are serrated, and some are entire. Its leaves are also very similar to letterhead, which is very distinctive.

In the process of cultivating willow trees, we should provide them with decomposed farm manure, keep the soil loose, and spray pesticides on willow trees regularly to avoid pests. It needs to be pruned, and the willow branches with poor growth and diseases and insect pests should be cut off to help plants conserve nutrients.

Brief introduction of willow

Willow is a general term for plants. Salix psammophila, Salix weeping willows and Salix are mostly shrubs, with sparse trees, no terminal buds, sympodial branches and few stamens, indicating that Salix is more evolved than Salix. There are about 520 species of this genus in the world, mainly distributed in temperate regions of the northern hemisphere, followed by cold regions, and few in tropical regions and southern hemisphere. There are 257 species in China, 122 variety and 33 variety. All provinces and regions have production.

The morphological characteristics of Salix are as follows: trees or creeping, cushion-shaped, erect shrubs. The branches are cylindrical and the pith is nearly round. There is no terminal bud, the lateral buds are usually close to the branches, and the bud scales are single. Leaves alternate, sparsely opposite, usually narrow and long, mostly lanceolate, pinnately veined, serrated or entire; Petiole short; Stipules, serrated, usually early, sparsely persistent.

_ The catkin inflorescence is erect or obliquely spreading, and the first leaves are open, or open at the same time as the leaves, and the leaves are sparse; Bracts entire, hairy or glabrous, persistent, sparsely caducous; Stamens 2- numerous, filaments free or partially or completely connate; Gland 1-2 (located between inflorescence axis and filament, abdominal gland, subtebract, dorsal gland).

The pistil consists of 2 carpels, the ovary is sessile or stipitate, the styles are different in length, or missing, single 1 or dehiscent, the stigma 1-2, dehiscent or indehiscent. Capsule 2-valved; The seeds are very small. How dark brown.