Scientific name - Nigella arvensis L.
Popular names - negrusca, Kandilli Mezei, Wilder Schwarzkummel, fiore di Passione.
Distribution and Habitat - samanaturi grows grain, plowing, sowing and road edge on clay or sandy soils, from plains to mountains.
Description - annual species. Stems erect, slightly branched, usually glabra, 7-40 cm tall, green or gray-green. Leaves 2-3 cm long, 2-3 or sectors, with narrow linear Lacina. Foliolele tongue periantului wide ovate, 1.6-2 cm long, acuminate, blue, green on top, the sides with nervatiune reticulata, bluish-green, prominent. Nectarios yellow, green-blue, with unguicula wider, white and blue stripes cross. Blooming in June-September. Follicles 3-5 (8), back with 3 prominent veins which unite and continue in a beak, longalmost as follicle length. Neumflate follicles, Overgrown at the base only to as much as two thirds of its length, forming a capsule obconica, side wall or coarse glabra tubers. Seeds blackish brown to black. 2n = 12
Prenanthes purpurea - rabbit salad
Herbaceous perennial. Stem branched, 25-150 cm, pubescent. Amplexicaule leaves, elliptical, oblong or fidate, margin entire or Pinata-fidata, glauca. Flowers arranged in panicule, ligula flowers are purple, with 5 teeth, tubular flowers absent.
Reseda lutea - herbaceous annual, papilla or glabrous. Hailing from Europe, increases alkaline soils, fields, dry ribs, from 0 to 2000 m altitude.
Nicotiana tabacum - herbaceous annual, terofita. The product obtained is known cigarettes.
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.
Shrub 3 m high. Leaves disposed in each vertical 3 (4), the busiest peak, linear, 1.5 cm long, acuminata-mucronata, bright green top and white on the inside of the main rib prominent, margins Revol.
Pimenta racemosa (Mill.) JWMoore
Shrub or small tree, 7.5-15 m high; ritidom thin, scaly, producing a scaly trunk. Leaves pungent rum, obovata to elliptic, 3-15 x 1.2-7.5 cm, acute to round at the narrow top, coriacee.
Cerastium tomentosum - snow in summer
Cerastium tomentosum - is a commonly grown rock-garden, often escape from cultivation.
Coffea charrieriana Stoff & F. Anthony sp.nov.
Shrub, 1-1.5 m high. Stalk 1-2 mm in diameter, pubescent. Stipele triangulation to the Delta, about 2 mm long, nested, pubescent. Petiole 2 mm long. Lamina elliptical to narrow elliptical, 5-7 x 2,2-3,5 cm, thin
Acer platanoides - norway maple
Acer platanoides - used as an ornamental species in parks and gardens, but also the green street.
In the United States was introduced around 1700 in East Pensilveniei. It was introduced as ornamental species, the green street, in many areas of culture out of control and become invasive species.