|
|||||||||||||||||||||||||||||
|
|
|||||||||||||||||||||||||||||
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.
Photos
See also
 Flowers
Heliosperma pusillum
Heliosperma pusillum - herbaceous perennial, native to southern Europe, grows on limestone ravines, from 1000 to 2500 m altitude. Ajuga chamaepitys
Ajuga chamaepitys - herbaceous annual Euro-Mediterranean, grows around the Mediterranean, in warm and dry, up to 1500 m altitude. Hypericum perforatum L. - hay, pojarnei
Perennial herbaceous plants, 30 - 100 cm tall. Stem cylindrical, with two edges, bark, woody at the base, branched, reddish. Leaves opposite, oblong-lanceolata, top acute-round basis acuminata, margins entire, Revol, Sesia, 1.5-4 cm long, on both sides with black spots. Flowers grouped into numerous terminal corymb Linaria vulgaris - linarita
Linaria vulgaris - perennial, herbaceous, with rhizome bran; common in Europe to Japan, grows on dry sites, along railways, in sunny exhibitions, from 0 to 1500 m altitude. Cyclamen purpurascens
Cyclamen purpurascens - bulbous species, growing in beech forests, at 0-1900 m altitude. Species cultivated as ornamental garden or in pots. Magnoliopsida
Hypericum perforatum L. - hay, pojarnei
Perennial herbaceous plants, 30 - 100 cm tall. Stem cylindrical, with two edges, bark, woody at the base, branched, reddish. Leaves opposite, oblong-lanceolata, top acute-round basis acuminata, margins entire, Revol, Sesia, 1.5-4 cm long, on both sides with black spots. Flowers grouped into numerous terminal corymb Lantana camara
Lantana camara - aromatic shrub originating from Central and South America, cultivated as an ornamental tree in parks and gardens or as potted plant. Polemonium caeruleum
Polemonium caeruleum - species used as ornamental plants in gardens with spontaneous or rock gardens. Are planted at 30 cm distance between plants. Caltha palustris
Herbaceous plants, roots rizomatoase, 2-4 mm in diameter. Stem erect, tube or fistiloase, foam, and longitudinally striated. Leaves basal, long petiolate (5-20 cm); language cordata, margine crenata, wavy carnoas, top obtuse, bright green. Caulinare Leaves are similar to those that are based only smaller sessile or subsesile. Senna corymbosa
Evergreen shrub, 2-3 m high, stem thin, highly ramified, almost glabru. Leaves alternate, petiolate, membranous, paripenat compound, 2-3 pairs of folio; stipele linear, obsolete, or oblong-folio oblonga lanceolata, 5 x 1 cm, top acute or obtuse, base round and asymmetrical, the ventral green, glabra . |
 
Last posts
Categories
Links
Download
|
||||||||||||||||||||||||||||
 |
|||||||||||||||||||||||||||||
