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.
Coronilla vary - herbaceous perennial, native to SE Europe, grows on limestone rocks and ravines, arid plains, along the streets, from 0 to 1200 m altitude.
Epilobium dodonaei - spcie originated in Europe and the Caucasus, increases debris, calcareous rocks, up to 1700 m altitude.
Juicy perennial species, rizomatoasa. Leaves basal, linear, cylindrical, fleshy, 10-15 cm long. Floral stem is 45 cm long. Blossom flowers made up of 40-50 cm, arranged in Raceme 15-30 cm long.
Perennial species, 30 cm height, 60-90 cm diameter, forming a dense bush covering the ground well. Leaves linear-lanceolata, margin entire, shiny dark green, 2,5-4 cm long x 3.6 mm wide. Flowers white, 4 petals, blossom type corymb, 9 cm diameter, January-June period of prosperity. Fruit silicula, 7 mm long.
Buxus sempervirens - evergreen shrub, native of northern Africa, Asia and Europe, up to 800 m altitude. Increases in rare deciduous forests on limestone substrates in sunny exhibition, in association with integerrimus Cotoneaster, Pyrus pyraster, Prunus spinosa and Amelanchier rotundifolia.
Nigella arvensis - annual species, increases samanaturi grain, plowing, sowing and road edge on clay or sandy soils, from plains to mountains.
Perennial herbaceous, stem 7-40 cm high. Caulinare different from the basal leaves, the basal are lobate, and those are areas caulinare. Flower 3-5 cm diameter, white, yellow or red; 3.5 sepa obsolete; 5 or more petals, stamens numerous. Fruit achenes, top acuminata recurbat, 4,5-5,6 x 3,0-3,7 mm, brown doll. 2n = 16.
Solidago caesia - blue-stemmed goldenrod
Solidago box to - perennial species, native to North America, grows naturally in dry soils on roadsides.