Portulaca oleracea is a Portulaca plant of Portulaceae.

Portulaca oleracea is panicum miliaceum, and the whole plant is hairless. The stems are procumbent or decumbent, spreading on the ground, multi-branched, cylindrical, long 10 ~ 15cm, light green or light red. The stems are purplish red, the leaves are alternate, sometimes nearly opposite, the leaves are flat and thick, obovate, like horse teeth, with a length of1-3cm and a width of 0.6-1.5cm, the top is obtuse or truncated, sometimes slightly concave, the base is wedge-shaped, the whole edge is dark green, the bottom is light green or reddish, and the midvein is slightly convex; The petiole is thick and short.

Flowers sessile, 4 to 5 mm in diameter, usually 3 to 5 clustered branches, flowering at noon; Bracts 2 to 6, leaflike, membranous, suborbicular; Sepals 2, opposite, green, helmet-shaped, flat left and right, about 4 mm long, sharp at the top, raised on the back, and United at the base; Petals 5, sparse 4, yellow, obovate, 3-5 mm long, slightly concave at the top and connate at the base; Stamens are usually 8 or more, about 65438 02 mm long, and the anthers are yellow; Ovary glabrous, style slightly longer than stamens, stigma 4-6-lobed and linear.

Capsule ovoid, about 5 mm long, dehiscent; The seeds are small, mostly oblique spherical, dark brown and shiny, with a diameter of less than 65438±0mm and small verrucous protrusions. The flowering period is from May to August, and the fruiting period is from June to September.

Country of origin

It is produced all over China. Born in vegetable garden, farmland and roadside, it is a common weed in the field. Widely distributed in temperate and tropical regions of the world.

Growth habit

Portulaca oleracea likes high humidity, bears drought and waterlogging, and is positive. Suitable for planting in various fields and slopes, especially in neutral and weakly acidic soils. The germination temperature is 65438 08℃, and the optimum growth temperature is 20-30℃. When the temperature exceeds 20℃, it can be planted in stages and listed one after another. Protected cultivation can carry out annual production.

Main value

nutrition

Portulaca oleracea is rich in nutrients such as dihydroxyethylamine, malic acid, glucose, calcium, phosphorus, iron, vitamin E, carotene, vitamin B and vitamin C. Portulaca oleracea has outstanding nutritional characteristics, and its ω-3 fatty acid content is higher than that of any plant. .

eat

Portulaca oleracea can be eaten raw or cooked, and the soft stems can be cooked like spinach. But if you are not used to its strong taste, don't use too much. The leaves at the top of Portulaca oleracea stem are soft and can be cooked like watercress. They can be used to make soups or sauces, mayonnaise and stews. Portulaca oleracea can be cooked with shredded radish or mashed potatoes, or with onions or tomatoes, and its stems and leaves can be pickled with vinegar.