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Creeping river grass

Echinochloa polystachya

Also called Aleman Grass

Echinochloa polystachya is a perennial grass native to tropical and subtropical America, from Texas and Florida south to Argentina. It is aquatic or semi-aquatic and grows best rooted in shallow standing water or wet floodplain soil.

Family
Poaceae (Grass family)
Grows as
Grass, Aquatic, Perennial
Light
Full sun
Water
Keep the roots submerged or constantly wet; it can grow in water up to about 2 m deep.
Soil
Muddy or waterlogged floodplain soil, or a pond bed of heavy mud.
Temperature
Warm tropical to subtropical conditions; frost-sensitive, so protect below about 5 °C.
How easy
Moderate
Native range
Trop. & Subtrop. America
Climate
subtropical

About

Echinochloa polystachya, the German grass, is a species of grass (family Poaceae), native to the New World Tropics and Subtropics, from Texas and Florida down to Argentina. It is an aquatic or semi-aquatic perennial that can grow in water as deep as 2 m (7 ft). It is a useful fodder for water buffaloes, and to a lesser extent, cattle. In the Amazon floodplain it can reach productivity levels of 99.6 t/ha (39.7 long ton/acre; 44.4 short ton/acre) in dry mass, one of the highest levels ever measured in natural vegetation and belongs to the C4 plants . Given that it occupies about 200,000 km2 (77,000 mi2) of territory during the rainy season, it contributes on the order of 1% of the primary productivity of the planet.

Other Echinochloa plants

Jungle rice · Barnyardgrass · Gulf cockspur grass · Japanese millet · Billion-dollar grass · Early Barnyard Grass · Early water grass · Hippo grass

Text excerpted from the Wikipedia article Echinochloa polystachya by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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