Amaranthus spinosus

Amaranthus spinosus, commonly known as spiny amaranth or prickly amaranth, is a species of flowering plant in the family Amaranthaceae. It is native to the tropical Americas, but is present on most continents as an introduced species and sometimes a noxious weed. It can be a serious weed of rice cultivation in Asia.

Description[edit | edit source]

Amaranthus spinosus is an annual herb with an upright, light green stem that grows to about 2.5 m in height. The leaves are simple and alternately arranged, and may vary in shape from linear to ovate, while the flowers are small and green, arranged in dense inflorescences.

Distribution and habitat[edit | edit source]

Amaranthus spinosus is native to the tropical Americas, but has been introduced to all continents. It is a common weed in waste places, roadsides, and fields. It prefers sandy, loamy, and clay soils with good drainage, and can tolerate drought.

Uses[edit | edit source]

Amaranthus spinosus is used as a medicinal herb in traditional Ayurvedic medicine, primarily for its asserted benefits to the digestive system. The leaves and stems are also edible and a rich source of vitamins A and C, calcium, iron, and phosphorus.

Cultivation[edit | edit source]

Amaranthus spinosus is a hardy plant that is easy to grow. It prefers full sun and well-drained soil, and is tolerant of a wide range of soil types and pH levels. It is also resistant to most pests and diseases.