Morphological characteristics Young branchlets green, sparsely stellate pilose or a few glabrous; biennial branches gray-green, with indistinct yellow fine longitudinal cracks. Leaves alternate; petiole 2 to 6 cm long; leaf blade ovate or oblong-ovate, 5 to 13 cm long, 2.5 to 6 cm wide, apex acuminate, base rounded or broadly cuneate, 2 glands distal to petiole, Leaf margins are sparsely serrated, sparse stellate hairs on both sides, main veins 3 out, and stipules cascading. Flower unisexual, monoecious; racemes terminal, male flowers above, female flowers below, all male flowers; pedicels narrow and short, stellate hairs; male flowers green, smaller, calyx 5 , sparsely subtle stellate hairs, sepals ovate, petals 5, retrorse, densely densely lanate woolly, stamens 15–20, inserted on disk edge, disc discoid; female flowers calyx 5-lobed, apetulate The ovary is round, 3 rooms, densely stellate hairs, styles 3, slender, each further 2 deep. Capsule oblong to obovate, with 3 obtuse angles. Seeds long ovate, 3, pale yellow-brown. Flowering from March to May. Fruit period from June to July. Dry seeds It is oval or ovate, slightly flat, about 1 to 1.5 hectares in length, about 6 to 9 mm in diameter, about 4 to 7 mm thick, and the surface is gray-brown to brown, smooth and less glossy. A species of cricket on the end of the umbilicus is a small protrusion that easily falls off. At the other end, there is a kind of ridge between the point and the species, which is a slightly raised vertical ridgeline. The cross section is slightly square, and the seed coat is thin and crunchy. After peeling off, the seed kernels can be seen and the membranous silver-white outer endosperm is sheathed. Endosperm hypertrophy, pale yellow, oily. There are two cotyledons in the center. The radicles are small, towards the end of the seed pods. No odor, slight astringent, and then there is lasting pungency. To a big, full, kindness color white good. Grain is empty, and the color of the oil is increased. Ovoid, generally triangular. The surface is grayish or slightly dark, rough, with six longitudinal lines, a flat top, and a stem mark on the base. Break open the shell, visible 3 rooms, 1 seed per room. The seeds are slightly oval in shape, brown or grayish brown on the surface, with small punctiform umbilicus and pod-like scars on one end, dimples on the other end, and ridges of ridges between them; the outer seed coat is thin and brittle. The seed coat appears white; yellow and white kernels, oily. Odorless and spicy. Sunflower Seeds 601,Sunflower Seeds Bulk,Sunflower Seeds Edible,High Quality Sunflower Seeds Inner Mongolia Hengxintonghui Supply Chain Management Services Co.,LTD , https://www.hxthfood.com