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Scientific name - Coreopsis tinctoria Nutt. Synonyms - Popular names - Distribution and Habitat - native to North America, grows on sandy soil, along roads and railways. Description - herbaceous annual. Stems slender, 30-100 cm tall. Leaves petiolate, opposite, bi-pinnate-sectors, glabra, leaflets linear-lanceolate to linear-oblong, entire, slightly pubescent stems and stalks, stems, 8 inches long. Terminal inflorescence, peduncle 6 cm long, involucre double, outer layer is green, 3 mm long, scales lanceolate, glabrata, inner layer, scales 8 cm long, purplish-brown, glabra, top acute. Ligulate flowers in August, 1.5 cm long, lobed at top, yellow or yellow with purple base. Flowers tubular, 8 mm long, corolla tube, 3 mm long, yellow-orange, purple top, four-lobed, fertile. Style forked orange. Blooms in June andeptembrie. Achenes 1.8 mm long, glabra, dolls absent. Growth rate - fast. Requirements - sandy, well-drained, sunny in the exhibition. Propagation - by seeds in March and May, directly into garden soil. Germinate in 3-5 days at 21 ° C. Cultivars - 'Mahogany Midget' with dark red flowers. Properties and Uses - is used as an ornamental plant for mixed borders, in pots or cut flowers.
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Herbaceous biennial. Stem erect, silvery-pubescent, simple or branched, 30-80 cm high. Basal leaves are petiolate, oblong-lanceolata, spatulate, 5-10 cm x 10-25 mm, margins entire, top acute, the caulinare are Sesi, oblong-ovata, Hirsute, 5.12 cm long. Blossom panic terminal peduncle 10 cm long Tithonia rotundifolia - annual species, native to Mexico and Central Aerica, cultivated as ornamental species. Thlaspi montanum var. montanum is toxic and cause death of larvae of Pieris rapa. Thlaspi montanum var. siskiyouense is a serpentine endemic from southwestern Oregon. Cosmos sulphureus - used as an ornamental species for borders or groups, in association with Asclepias curassavica, Coreopsis tinctoria, Oenothera fruticosa, Rudbeckia hirta, Salvia farinacea, Solidago canadensis, Tagetes erecta. Annual U.S. glabra slightly pubescent. Stem erect, branched, 10-50 cm high. Stipelate leaves, opposite, 1.5-5 cm, ovata lanceolata or elliptic, margin crenat-evening, petiole 0.2-1.5 cm. Dioecious, occasionally monoecious. Undergrowth; prostrata strain or creeping with Solon. Strains florifere, 2-14 cm without leaves or bracts 1-2. Leaves evergreen, alternate, lamina uninerva, coriacee, 4-7 x 10-20 mm, obovata or spatula, suborbiculare, top round, mucronata; petiole 2-4 cm. Evergreen tree, 10-40 m height, 3 m. Branches culture clocks or easy erection. Bark smooth, gray-white to silver. Leaves alternate, dark green, 7-20 cm long, slightly pubescent, oblong-elliptic, prominent central rib, full and wavy edges, top acute, base acute. Tree, 15-20 m high and 0.7 m trunk diameter, with round crown and rich foliage. Strain usually crooked and gnarled, mature bark cracks forming small and irregular, gray-yellow color with lighter spots, characteristic. Young shoots, yellow-brown, buds sit opposite the gate, children, joined the stalk and Chile. Sunshrub native from Maroc, stem branching, leaves borne at the ends of the branches in rather flat rosettes. Coronilla vary - herbaceous perennial, native to SE Europe, grows on limestone rocks and ravines, arid plains, along the streets, from 0 to 1200 m altitude. |
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