27
Sep
2010
Gossypium herbaceum - Cotton
Flowers | Magnoliopsida
4
0

Scientific Name - Gossypium herbaceum L.

Synonyms - Gossypium obtusifolium Roxb.

Popular names - bumbac, kutum, cotton, levant cotton, Baumwolle, algodon.

Distribution and Habitat - a species indigenous to India, but grows in Egypt, Asia Minor, Arabia and China.

Description - shrub, 1-1.5 m high. Roots spindle. Green stem, pubescent, rarely glabra. Leaves long petiolate, palmate-lobed, 3-5 lobes, ovata or oblong, margins entire, the heart, top acute, pubescent, light green. Yellow flowers, calyx Campanula, surrounded by an involucre with 6-8 lobes, persistent, yellow petals with a purple patch at the base. Fruit capsule lodges 3-5, 3-5 seeds enveloped in cotton. 2n = 26

Requirements - by herbaceus seedlings and seeds. The seeds germinate at 25 C.

Pests and diseases - Alternaria macrospores, A. alternata, Aphis gossypii, Helicoverpa armigera, Scirtothrips dorsalis.

Properties and Uses - Cotton fiber is the most popular material obtained from this plant and the second is cotton oil rich in protein.

Curiosity - the first writings on cotton were found in the Rig-Veda, Hindu, and written around the 15th century BC

Cotton, derived from the Arabic word or kutum qutum.

Gossypium herbaceum derived from wild species G. herbaceum var. africanum that grows naturally in southern Africa.

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Rosa gallia L.

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