The difference between Euphorbia angustifolia and Weiling vegetable

Turning white grass for Rosaceae turning white grass, because the authentic turning white grass market and mountains are relatively rare. Most of them are camouflaged by Potentilla chinensis, because the distribution of Potentilla chinensis is very large, and there are many plains and mountains. But it is absolutely wrong to pretend to be a herbal medicine! Mixed use of Weiling vegetables to turn white grass violates the provisions of the National Pharmacopoeia of traditional Chinese Medicine, and is also an illegal act.

First, what is the difference between turning white grass and Potentilla frutescens?

1. The roots are different

The root of Euphorbia angustifolia is stout, and the lower part is often thick and spindle-shaped, while the root of Potentilla frutescens is stout, cylindrical and slightly woody.

two。 Leaves are different.

Leaflet blades oblong or oblong-lanceolate, 1-5 cm long and 0.5-0.8 cm wide, apex obtuse, sparsely acute, base cuneate, broadly cuneate or oblique round, margin obtusely serrate, sparse acute, dark green above, sparsely white woolly or deciduously glabrous, densely white or grayish white woolly below While Potentilla frutescens leaflet opposite or alternate, upper leaflet longer, gradually decreasing downward, sessile, oblong, Obovate or oblong-lanceolate, 1-5 cm long and 0.5-1.5 cm wide, margin pinnatifid, lobes triangular-ovate, triangular-lanceolate or oblong-lanceolate, apex acute or obtuse, margin reversing, upper green, pubescent or deciduous glabrous, midrib sunken. Underneath white tomentose, white silky villous along veins.

3. Different flowering and fruiting stages

From May to September, achene is nearly reniform, about 1 mm wide, smooth; from April to October, achene is ovoid, dark brown, with obvious wrinkles.

4. Growth environment is different

Puccinellia tenuiflora grows in wasteland, valleys, gully sides, hillside grasslands, meadows and sparse forests at altitudes of 1850 m, while Potentilla przewalskii grows in hillside grasslands, valleys, forest margins, thickets or sparse forests at altitudes of 400-3200 m.

Second, what is the value of turning white grass and Weiling vegetables?

Turn over the white grass:

1. Medicinal use

The white grass tastes sweet, slightly bitter, flat, cold and slightly astringent. Return to the stomach and large intestine meridian. The whole herb is used in medicine to stop bleeding, clear heat and detoxify, and reduce swelling. It also has antibacterial, antidiarrheal, immunosuppressive, hypoglycemic and anti-tumor effects.

two。 Edible

The root tuber is rich in starch and can be eaten; the tender stem is boiled in boiling water and then soaked to eat vegetables.

3. Ecology

The plant is compact, the flower color is bright, the florescence is long, for good shade growth and ornamental ground cover. The plant is close to the ground and plays a good role in soil and water conservation.

Potentilla chinensis:

1. Medicinal use

The root contains tannin, can extract tannin extract; whole herb medicine, can clear heat and detoxification, stop bleeding, stop dysentery.

two。 Edible

Its tender seedlings are edible and can be used as pig feed. Young seedlings are collected in spring, whole grass is collected in summer and autumn, washed and used fresh, and the whole grass can also be dried in the sun.