The appearance characteristics of wild amaranth can be summarized as stem height 30-100 cm, leaf shape changes, small white flowers, spherical fruits, black seeds, and well-developed root system.
Wild amaranth is an annual herb with upright stems, 30-100 cm high, and branched. The leaf shape is variable, usually arrow-shaped or ovate-lanceolate, 3-15 cm long, the leaf margin is entire or microwave-shaped, the leaf surface is smooth and hairless, and the leaf color is dark green. Flowers are small, white, in terminal or axillary racemes; petals are 5, white or light red. Flowering period is from April to September.
Spherical capsule, yellowish brown when mature, with black seeds inside, dark brown seed coat and white seed kernel. The seeds of wild amaranth are small and have fine mesh on the surface of the seed coat. The root system is well developed, the main root is long and straight, and there are few lateral roots. The root type of wild amaranth is a spindle root. The main root elongates quickly, up to 60-100 cm, and plays the role of stretching downward and absorbing nutrients.
Growing environment of wild amaranth
Wild amaranth likes light, but can also tolerate shade. It can grow on hillsides, roadsides, fields, suburbs and other open areas, and is also found under shrubs and sparse forests. Therefore, it has a wide range of light adaptation and does not rely heavily on long-term strong light, which allows it to survive in various light conditions.
Wild amaranth is also relatively tolerant of temperature. In addition to loving warmth, it also has a certain tolerance to high temperatures and can grow normally under high temperature conditions in summer. In temperate areas, wild amaranth can also survive the winter, which shows that it is also adaptable to low temperatures. Therefore, wild amaranth can grow in a wide temperature range, and temperature conditions will not be the main factor limiting its distribution.
Wild amaranth does not have high requirements for soil. It can grow on different types of soil such as sandy soil, clay soil and saline soil. Generally, the pH range for good growth is between 4-8. . Due to its wide soil adaptability, wild amaranth is able to survive and thrive in a variety of land conditions.