Beans:
1 introduction
Beans (scientific name: HolboellialatifoliaWall. ) is a plant of Cucurbita in Leguminosae. A family of dicotyledonous plants, including woody and herbaceous plants, such as red sandalwood, locust tree, soybean, mung bean, red bean, pea and peanut.
Usually called legumes, they also refer to the seeds of these plants: beans, beans, pods (beans), soybean milk, green beans, boiled beans and eyes as bright as beans.
The fruit of a leguminous plant. Beans include soybeans, broad beans, peas, mung beans, kidney beans and adzuki beans. Soybeans are divided into soybeans, black beans and mung beans according to different colors.
Kidney beans can be divided into lentils, kidney beans, kidney beans, kidney beans, green beans, green beans, cowpeas and so on. The colors of adzuki beans are red, yellow, light green, gray, white and brown.
2. Morphological characteristics
Beans are panicum miliaceum, 30-80 cm high. The taproot is 80 cm deep into the soil, and the root system is developed. Stems erect, cylindrical, much branched, puberulent.
Pinnate trifoliate compound leaves; Stipules entire, membranous, base connected with petiole, apex acuminate, hairy; Petiole spreading, 6- 12 mm long; Leaflets are obovate, elliptic to oblong-lanceolate, nearly equal in size, with a length of15-40mm and a width of 4-15mm.
The apex is blunt, the base is wedge-shaped, the upper part of the edge has triangular sharp teeth, the upper part is hairless, the lower part is sparsely pilose, or bald, and the lateral veins are 5-6 pairs, which is not obvious; The terminal leaflet has a long petiole.
Flowers sessile, 1-2 axillary leaves, long 13- 18 mm; Calyx tubular, 7-8 mm long, villous, calyx teeth lanceolate, apex conical, as long as calyx; Corolla yellowish white or light yellow, slightly blue at the base, long and obovate flag petal, deep concave at the apex, obviously longer than Hebei petal and dragon bone petal.
Ovary linear, puberulent, short style, capitate stigma and many ovules. English fruit is cylindrical, 7- 12 cm long, 4-5 mm in diameter, straight or slightly curved, hairless or puberulent, with a slender beak at the top, about 2 cm long (including the sterile part of the upper ovary), and the back seam is thickened.
The surface has obvious longitudinal reticulation with 10-20 seeds. The seeds are oblong-ovoid, 3-5 mm long and 2-3 mm wide, brown and uneven in surface. The flowering period is from April to July, and the fruiting period is from July to September.
3. Variety classification
Soybeans are divided into soybeans, black beans and mung beans according to different colors.
Kidney beans can also be divided into: lentils, kidney beans, kidney beans, cowpeas and so on. The colors of adzuki beans are red, yellow, light green, gray, white, brown and black.
Beans include soybeans, broad beans, peas, mung beans, kidney beans, red beans, black beans and red beans.