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Urochloa ramosa

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Urochloa ramosa

Urochloa ramosa, (formerly Brachiaria ramosa) the browntop millet or Dixie signalgrass, is an annual, millet grass belonging to the grass family (Poaceae). The native range of Urochloa ramosa is from Africa to tropical and subtropical Asia.

It has glabrous (hairless) spikelets, are about 3.3 mm (0.1 in) long, the upper of each pair on a pedicel (stalk) about as long as the spikelet. The spikelets are more often slightly or distinctly puberulent and pedicels are often shorter. Plants found in Malesia and Australia always have shorter spikelets (only up to 3 mm long).

Seed germination can happen in up to 5 days and the rapidly growing crop can then be harvested in the next two months. Its fine stems and leaves allow the plant to dry sufficiently to be used as a dry hay product.

It was originally published as Brachiaria ramosa (L.) Stapf in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 9: 542 in 1919, before being renamed and published and described by botanist T.Q.Nguyen in Novosti Sist. Vyssh. Rast. 3: 13 in 1966.

The specific epithet, ramosa, is a Latin adjective meaning "branched" which describes the plant as bearing branches.

The reconstructed Proto-Dravidian name for Brachiaria ramosa is *conna-l.

It is named differently in Indian languages such as “korale” and “kadu-baragu” in Kannada, “andakorra” and “pedda-sama” in Telugu.

It is found in Afghanistan, Andaman Islands, Bangladesh, Benin, Burkina, Cambodia, Cameroon, Cape Verde, Chad, China, Djibouti, East Himalaya, Egypt, Eritrea, Ethiopia, Gambia, Guinea-Bissau, Gulf States, Hainan, India, Ivory Coast, Java, Kenya, Lesser Sunda Islands, Liberia, Malawi, Malaya, Mali, Mauritania, Mozambique, Myanmar, Nepal, New Guinea, Nicobar Islands, Niger, Nigeria, Northern Provinces (South Africa), Oman, Pakistan, Philippines, Saudi Arabia, Senegal, (island of) Socotra, Somalia, Sri Lanka, Sudan, Tanzania, Thailand, Vietnam, West Himalaya, Yemen and Zimbabwe.

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