Okra is millet. The root system is developed straight, and the root depth is more than 1 m; The main stem is erect, 1 to 2.5 meters high, 5 cm thick, red and green, cylindrical, with short basal internodes and lateral branches, and no lateral branches occur from flowering nodes; Leaves palmately 5-lobed, alternate, with hairs or bristles on the leaves and slender and hollow petioles; Flowers are large and yellow, born in leaf axils; The fruit is a capsule with a sharp top and a slight bend, which looks like the horn of a bull's horn. Fruit length 10-25 cm, transverse diameter 1.9-3.6 cm. There are two kinds of tender fruits: green and purple. The surface of the fruit is covered with fine white fluff, which is lignified and inedible when it matures. The seeds are spherical, the size of mung beans, light black, thick skin and capillary.
Okra can be divided into round fruit species and pod species according to fruit shape; According to the length of fruit, it can be divided into long fruit species and short fruit species; According to the plant shape, it can be divided into short plants and tall plants. Dwarf plants are about 1 m high, with short internodes, small leaves, few nicks, low flowering nodes, early maturity, few branches, lodging resistance, easy harvesting and suitable for close planting. Tall plants have high plant height, dark green fruits and good quality.