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.
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.
Dianthus carthusianorum - carnation field
Herbaceous perennial. Stem erect, simple or branched, 25-65 cm, glabra. Leaves opposite, lamina linear-spatulate, 3-13 cm, green edges glabrata. Blossom dense, 4-15 flowers; bractei lanceolata, equal to or greater than the calyx, herbaceous, 4-6 bracteole, brown, oblong-obovata. Pedicel 0.1-2 mm.
Gentiana lutea - mountain species, native to southern Europe, grows on limestone bedrock, on pastures rich in organic matter, from 1000 to 2200 m altitude.
Soldanella alpina - grows in coniferous forests and grasslands, from 1000 up to 2500 m altitude, moist substrates, rocks, rich in humus.
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.
Haplophyllum patavinum belongs to the family Rutaceae, dedicated to the city of Padova (IT). Species by extinction due to habitat destruction, species protected by law (in Italy).
Lysimachia vulgaris - perennial species, herbaceous with underground rhizome widespread in temperate regions of Europe and Asia, grows in wet environments, wetlands, side channels and water courses, from 0 to 1200 m altitude.
Dianthus barbatus - perennial herb, native to southern Europe, grows at the edge of forests, bushes and meadows. Cultivated in parks and gardens as ornamentals.