Eragrostis tremula (Lam.) Steud.

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Graminae

Common names

Bano, bannu (the Sudan), lehmleiche (Mauritania).

Description

A short-lived grass up to 75 cm high. Panicle widely spreading, up to 15 cm long, with long-pedicelled yellow-green or purplish spikelets 1030 cm long (Napper, 1965).

Distribution

Throughout tropical Africa, India and Burma in low rainfall areas.

Season of growth

Summer.

Altitude range

1 000-1 750 m.

Soil requirements

It is a sand-loving species, being found in 29 out of 35 sandy sites in Mauritania (Boudet & Duverger, 1961).

Vigour of growth and growth rhythm

In the Sahel it begins growth in August and is standing hay through to June (Boudet & Duverger, 1961). It can make a second crop in the same season under favourable conditions.

Palatability

It is quite palatable.

Natural habitat

Sandy soils, common in abandoned cultivation.

Genetics and reproduction

2n=20 (Fedorov, 1974).

Economics

This annual grass grows abundantly in old cultivations in the lighter soils in Kordofan Province, the Sudan and is cut and carried into the villages to feed village livestock such as cattle, donkeys, goats and sheep.

Further reading

Boudet & Duverger, 1961.