22
Nov
2010
Coreopsis tinctoria
Flowers | Magnoliopsida

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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Synonyms - Tilia parvifolia Ehrh., Tilia ulmifolia Purpose ..

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