What is the difference between Big Wolf Grass and Needle Bidens?

Bidens mandshurica and Bidens bipinnata are two recommended types that are difficult for people to distinguish, so what is the difference between Bidens rubescens?

1. The difference between Big Wolf Baxia and Needle Bidens

1. Stem: the stem of Euphorbia angustifolia is nearly round, and the stem of Bidens bipinnata is obtusely quadrangular.

2. Flowers: Euphorbia angustifolia has no ligulate flowers, Bidens bipinnata has white or yellow ligulate flowers

3. Leaves: pinnately compound leaves opposite, Bidens pinnatifida branches opposite or alternate.

4. Fruit: Alba achenes flattened, Bidens achenes thin stick.

Second, the basic introduction of Daliangba grass

Daliangba grass is also called Wolf grass, relay grass, sewing bag, a package of needles, foreign stripping grass, needle wrapping grass and so on. It belongs to Compositae, Bidens bipinnata, and belongs to hygrophytic and widespread plants.

Euphorbia angustifolia can grow in both humid and shallow waters in temperate and subtropical climates. The acid-loving to neutral soil can also tolerate saline-alkali. In the meadow of northeast Songnen Plain, the lakeside with high salinization, it often becomes the subdominant species or dominant species of some hygrophytic plant communities in Gramineae, Cyperaceae and Polygonaceae. The big wolf grass is often in group, or is a pure community of single dominant species, and also participates in the composition of the community with associated or subdominant species.

Third, the basic introduction of Bidens bipinnata

Bidens bipinnata is also called Hairpin grass, shrimp clamp grass, crab clamp grass, opposite fork grass, sticky grass, adhension seed, bean dregs grass and so on. It is also a genus of Compositae and Bidens bipinnata, which is often born near the village, by the roadside and in the wasteland.

Bidens bipinnata likes to grow in warm and humid climate, and it is suitable for loose and fertile sandy loam and clayey loam.

It is an annual late spring weed. In general, seeds germinate and emerge from mid-April to May, and the optimum temperature for germination is 15-30 ℃. The peak period is in the first and middle of May, and the fruiting period is from August to October. Seeds can be spread by wind, running water and manure and germinate after overwintering dormancy.