27
Sep
2010
Gossypium herbaceum - Cotton
Flowers | Magnoliopsida

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
Top
See also
Top
Flowers
Acanthus mollis - Bear's Breeches

Native of the Mediterranean area, grows in gardens like ornamentals. Flower can be over 1.8 m tall, the purple-pink bracts contrasting with the white flowers. Prefer shelter and deep, moist soil.

 
Anigozanthos rufus - Leg of kangaroo

Herbaceous rizomatoasa, Geof, 100-150 cm height. Mate leaves, gray-green, glabra, evergreen, 20-40 x 2-6 cm, margins scabrous. Escape very branched, tomentos. Inflorescences numerous, raceme. Red-purple flowers with pear, rare yellow-orange. Perianth law zigomorfic, lobate, tubular tomntoase, red, 25-35 mm long

 
Sedum acre

Sedum acre - perennial species, succulent, native to Europe and the Mediterranean Basin, from 600 to 2200 m altitude, common dry soil, sand, walls, rocks and limestone soils.

 
Brachyscome multifida

Brachyscome multifida - herbaceous perennial, rizomatoasa, native to temperate regions of southern Queensland, New South Wales and Victoria.

 
Anthyllis vulneraria L. - head Turcului, harmful

Herbaceous perennial herb, polymorphic, rhizome. Prostrata strain or ascending, pubescent, hairs white, 5-40 cm high. Basal leaves, arranged in rosette, stems leaves alternate, imparipenat-compound, folio oblong-linear, foliole terminal is greater than the side glabrata or slightly pubescent on the upper face, lower face and Seto.

 
Magnoliopsida
Daphne mezereum - spurge Laurel

Daphne mezereum - deciduu shrub, native of Europe and Western Asia, cultivated as an ornamental shrub.

All species of the genus Daphne are toxic. Contact with fruit juice or resin skin irritation.

 
Psidium araucanum is a new species discovered in southern Brazil

Araucanum Psidium (Myrtaceae) is an endemic species in the state of Parana and Sao Paulo in southeastern Brazil, along the rivers.

Genus Psidium L. is characterized by simple leaves, opposite, with nervatiune Pinata, flower solitary, axillary or Raceme small, large number of stamens arranged in spiral, ovary inferior.

 
Tibouchina urvilleana

Tibouchina urvilleana - shrub, to 4 m high. Belong to the genus Tibouchina about 350 species of shrubs and undergrowth of tropical America, most of them being found across the globe species grown as ornamentals.

 
Thunberg mysorensis

Thunberg mysorensis is used as an ornamental species for rapid growth and flowers arranged in raceme. Blooms in July-September.

 
Clerodendrum bungei

Clerodendrum bungei - ornamental species grown in parks and gardens and in pots but terraces. Leaves crushed leaves an unpleasant odor. In hot and humid climates become invasive.

 
   Add to iGoogle
Last posts

Categories

Links