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.
Herbaceous perennial, rhizome cylindrical. Reddish stem, 80-100 cm tall, easy hirsuta-pubescent, branched. Leaves alternate, petiolare, lanceolata-ovata, margine evening, slightly pubescent; to the top of the stem leaves are Sesi.
Commelina communis - grows naturally in East Asia, prefer shade and moist forests in 0-6000 altit.
Commelina genus species is often confused with species of the genus Tradescantia, both belonging to the same family, Commelinaceae. Commelina flowers genre has two large petals and a small petal, flowers from three species of Tradescantia petals are equal in size.
Cirsium heterophyllum - originating in Europe - Siberia, growing on peat bogs, on wet meadows, along rivers, on the edge of forests at 800-2100 m altitude.
Impatiens parviflora - species herbaceous annual. Hailing from northeast Asia, Europe grow in the forests of beech, river edges, from 500 to 1200 m altitude.
Herbaceous perennial, rustic. Rhizome with roots beam. Nastriforme leaves, gathered in bouquets. Raceme blossom or panic, small bracts, perianth campanulata, tepale united at the base, ovata, yellow or orange, 6 stamens attached to corolla tube, ovary inferior. Fruit capsule dehiscence.
Jasminum nudiflorum Lindl.
Decidua species native to China. Green stems, 60-90 cm high, 1-2 m diameter, edges, form adventitious roots. Brownish-red buds, ovoizi. Decidue leaves, opposite, pinnate-compound, 3 leaflets oblong, Sesi. Flowers solitary, six petals, 1-2 cm in diameter. Flowering period from January to March, before leaf. Baca fruit, fleshy, ripening black.
Dictamnus albus L.
Dictamnus albus L. - Species native to southern Europe to northern China, perennial to 1 m, stem node, erect, leafy coriacee, compound, alternate, 9-11 lobes, ovata, parties, 7.5 cm long; iregulate flowers, white-pink, 2.5 cm long, 5 SEPA and 5 petals, 10 stamens, terminal raceme, fruit capsule with 5 lobes.
Centaurea uniflora subsp. nervosa
Centaurea uniflora subsp. nervosa - originally from Northern Apennines, the Alps, south-eastern Carpathians and the Balkans. Hemicriptofita species, grows on dry meadows and rocky, limestone, from 1100 up to 2600 m altitude.
Herbaceous annual or perennial. Strain decumbenta - upward, often is wood based. Leaves alternate, entire or pinnate-sectors. Capital solitary and axillary. Involucre with bractei placed on 2-3 lines. Flowers tubular, orange. Ligula sterile flowers, yellow-orange, top with 4 teeth. Receptacle convex or flat. Acorn obovoide, densely-hairy.