Elm belongs to the seed of elm, and black spots grow from elm itself. At first it was dark yellow spots, and the old spots of elm trees turned into black spots. After rinsing, most of them can be washed off. If you really think that black spots affect eating, you can buckle them with your hands. Although the elm money is unremarkable, it is nutritious and delicious to make food.

Cold mixing elm is the easiest way. Select fresh elms and clean them. Add salt, soy sauce, chopped green onion and coriander. You can choose to put pepper according to your personal taste. This cold-mixed elm is also a very popular food in rural areas.

When cooking porridge at ordinary times, you can also add a proper amount of elm money, which can also increase the nutritional value and achieve the effect of good color, smell and taste. When cooking porridge, you can add Yu Qian to the rice millet porridge you usually drink, and then drink it for about five minutes.

Morphological characteristics of elm;

Elm is a deciduous tree, with a height of 25m, DBH 1 m, and grows into a shrub on arid and barren land. The bark of young trees is smooth, grayish brown or light gray, and the bark of big trees is dark gray, irregular, deep and rough; Branchlets are glabrous or hairy, yellowish gray, brownish gray or gray, sparsely brownish yellow or yellow, with scattered lenticels, no expanded cork layer, and raised cork wings. Winter buds are nearly spherical or ovoid, the back of bud scales is hairless, and the edge of inner bud scales is white villous.

The leaves are elliptic-oval, oblong-oval, elliptic-lanceolate or ovate-lanceolate, 2-8 cm long and 1.2-3.5 cm wide, the apex is tapering or long-tapered, the base is oblique or nearly symmetrical, one side is wedge-shaped to round, and the other side is round to semi-heart-shaped, and the leaves are smooth and hairless. When they are young, the back of the leaves are pubescent, and then they become hairless or some leaves have tufts in their axils.

Flowers open leaves first, and the branches and leaves are axillary last year. Samara is nearly round, sparsely obovate, round, long 1.2-2 cm, and hairless except for the top-cut stigma.