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Echinochloa oryzoides

(Ard.) Fritsch

Large cockspur, Hairy millet

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(c) Nikolay Panasenko, some rights reserved (CC BY-NC), uploaded by Nikolay Panasenko

iNaturalist· cc-by-nc

(c) Franck Le Driant, some rights reserved (CC BY-NC)

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Echinochloa oryzoides is a species of grass known by the common name early barnyard grass. Its origin is not certain but it may be Eurasia. The grass is a major weed of rice paddies; it is a serious problem as it is an effective Vavilovian mimic of rice, very difficult to separate from the crop.

Description

A millet grass. It is an annual grass. It can form tufts or have a single stem. It grows 0.3-1.5 m high. The flowers are green and purple. The seeds are about 3 mm long by 2 mm wide.

Edible Uses

The seeds are harvested and used as a cereal grain.

Known Hazards

It is a weed in rice cultivation.

Distribution

It grows in tropical and temperate places. It is harvested as a wild cereal in Russia. It grows on clay. In Argentina i grows below 500 m above sea level. Tasmanian Herbarium.

Where It Grows

Africa, Argentina, Asia, Australia, Azerbaijan, Brazil, Canada, Caucasus, Central Africa, Central Asia, China, Congo, East Africa, Europe, India, Indochina, Indonesia, Italy, Japan, Kazakhstan, Korea, Kyrgyzstan, Latvia, Lithuania, Mediterranean, Pakistan, Paraguay, Peru, Philippines, Russia, SE Asia, South America, Taiwan, Tajikistan, Tasmania, Tibet, Turkmenistan, Uruguay, USA, Uzbekistan, Vietnam, Zimbabwe,

Notes

It is a weed in rice cultivation. Possibly not naturalised in Tasmania.

Synonyms

Echinochloa oryzicola VasingEchinochloa phyllopogon (Stapf) Vasc.Panicum oryzoides Ard.Panicum phyllopogon Stapf

References (5)

  • Flora of Pakistan. www.eFloras.org
  • Paczkowska, G. & Chapman, A.R., 2000, The Western Australian Flora. A Descriptive Catalogue. Western Australian Herbarium. p 102
  • Tasmanian Herbarium Vascular Plants list p 84
  • van Wyk, B., 2005, Food Plants of the World. An illustrated guide. Timber press. p 183
  • Verh. Zool.-Bot. Ges. Wien 41:742. 1891

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