Scientific Name - Nicotiana tabacum L.
Popular names - tobacco, tobacco, bacon, Duhan, Virginscher Tabak, Kozonseges Dohany, Tabak nastoiascii, Tiutium.
Distribution and Habitat - originated in America.
Description - herbaceous annual, terofita. Root pivoting. Stems erect, cylindrical, glandulous-hairy, simple or slightly branched, 180 cm. Leaves elliptic to narrow-lanceolate, sessile or short petiolate, alternate, glandulous-hairy. Flowers white, pink or red, fragrant, in paniculate inflorescence. Blooms in June and September. Biloculara fruit capsule contains many seeds ovoid or kidney-shaped, brown, rough.
Tolerance - do not tolerate excess moisture and temperatures below 10 ° C.
Requirements - prefers sandy-loam soils, well-drained in full sun.
Propagation - by seeds, germineaza 12 ° C.
Diseases and pests - Pseudomonas syringae, pseudozoogloae bacterium, Erwinia carotovora, Agrobacterium tumefaciens, Bacillus cereus, Pseudomonas solanacearum, P. aeruginosa.
Properties and Uses - the most popular items are cigarettes made from Nicotiana tabacum.
Nicotiana alata - perennial species, native to Brazil, Argentina and Paraguay. The genus name 'Nicotiana' was given in honor of Jean Nicot of Villemain, French consul in Lisbon, which in 1560 sent seeds to France.
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.
Heliosperma pusillum - herbaceous perennial, native to southern Europe, grows on limestone ravines, from 1000 to 2500 m altitude.
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.
Thunbergia alata - black-eyed Susan
Thunberg spelled - a species native to tropical Africa, but common as ornamental plants.
Impatiens balsamina - a species herbaceous annual, native to China and India. cultivated as ornamental plants in parks and gardens. It can be grown as potted plants, but watered regularly.
Solanum lycopersicum - herbaceous plant annually. In Europe, Solanum lycopersicum, was introduced in the early sixteenth century. Joseph Pitton of Tournefort was first described in the genus Lycopersicon tomatoes.
Thunberg grandiflora Roxb.
Perennials, voluble. Stem thin, green, 2 m height. Leaves opposite, language ovat-lanceolata, acuminata peak, the cordata, margin entire, lobate or iregulat needle, 15 x 10 cm, short stalks, 3.5 ribs. Blue flowers with yellow, white on the outside, 8 x 8 cm, arranged in bouquets with individual pedicel 4-5 cm long, corolla tube 3 cm long