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

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

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

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

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.

See also

• Amaranthus
• Amaranthaceae
• Weed

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