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Aerva lanata

Aerva lanata
Aerva lanata Blanco2.354.png
Aerva lanata var. rotundifolia
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Amaranthaceae
Subfamily: Amaranthoideae
Genus: Aerva
Species: A. lanata
Binomial name
Aerva lanata
(L.) Juss. ex Schult.
Synonyms
  • Achyranthes lanata L.
  • Achyranthes villosa Forssk.
  • Aerva arachnoidea Gand.
  • Aerva incana Suess.
  • Aerva mozambicensis Gand.
  • Aerva sansibarica Suess.
  • Illecebrum lanatum (L.) L.

Aerva lanata (mountain knotgrass) is a woody, prostrate or succulent, perennial herb in the Amaranthaceae family of the genus Aerva, native to Asia, Africa, and Australia. The plant sometimes flowers in the first year.

A. lanata is a common weed which grows wild everywhere in the plains of India. The root has a camphor-like aroma. The dried flowers which look like soft spikes, are sold under the commercial names as Buikallan or Boor. It is one of the plants included in Dasapushpam, the ten sacred flowers of Kerala.

Mountain knotgrass is an annual with a branching, somewhat woody root system. The stems are mostly straggling and sprawling and spread widely, sometimes as much as 6 feet (1.8 m) in length. The often stalkless leaves are alternate, oval and 0.5 to 1.5 in (13 to 38 mm) long. They grow from whitish papery stipules with two lobes and red bases. The tiny clusters of two or three flowers grow in the leaf axils. The flowers are about 0.1 in (2.5 mm) long, pink, green or dull white. The flowers are normally self-pollinated. Flowering time is from May to October.

A. lanata prefers damper sites than A. javanica and can be found in open forests on mountain slopes, on waste and disturbed ground, deserted cultivation and coastal scrub and at altitudes from sea level to 900 metres (3,000 ft). It is a common weed in arable fields and bare patches of ground.

This plant is used for food for people and animals. The whole plant, especially the leaves, is edible. The leaves are put into soup or eaten as a spinach or as a vegetable. The plant provides grazing for stock, game and chickens. The plant is used as a traditional medicine for snakebites.

The plant is also used as a talisman against evil spirits, a good-luck talisman for hunters, and a talisman for the well-being of widows.

The aqueous extract of A. lanata stem possess in vitro antioxidant activity.


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Wikipedia

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