31
May
2009
Cirsium palustre
Flowers | Magnoliopsida

Scientific name - Cirsium palustre

Synonyms - Carduus palustris L., Cnicus palustris (L.) Wild

Popular names - cirsio di Palud, cardo paludous, CIRS des Marais, tourbieres, marecageuses prairies, marsh thistle.

Distribution and Habitat - originating in Europe and western Asia, growing on wet soils and peat, from plain to 1800 m altitude.

Description - herbaceous Biennale, 1.2-1.5 m high. In the first year form a rosette of leaves thorny, deeply lobate and furry inside. Stem solitary, erect, viloasa to tomentoasa; spin wings. Leaves alternate, Sesia, decurente, elliptic-oblong-lanceolata, 15-30 x 3.10 cm, Pinata-fidate, spiny toothed, thorns of 2-6 mm long. The leaves are caulinare Sesi, deeply lobed pinatifide with thorns. Peduncle 0-1 cm long. Involucre ovoid-campanulata, 1-1.5 x 0.8-1.3 cm, bracts and verf nested there. Raceme blossom compound with 2.8 capitula, flowers tubular, hermaphrodite and pentamere. Corola violet open up to white, 1.1-1.3 cm, corolla tube 0.5-0.7 cm, the 5 lobes 0.3-0.4 cm, style 0.2 cm. Blooms in June-September. Pollination and pollinating entomofila. Fruit achenes, obconica, surface plate, 0.3 cm long, 0.9-1.1 cm doll. 2n = 34.

Tolerances - tolerate moderate drought.

Requirements - grows well on acidic soils and moist in full sun.

Management - in areas where this species is invasive, can combat it manually before baking Rupr flowers from seeds or ground breaking strain. Chemical herbicides can be combated when the plant is 12-25 cm tall, in period of prosperity, or rosette of leaves in the fall.

Propagation - by seeds sown in early spring or autumn. Germineaza after 20 weeks to 2.8 ˚ C.

Natural partners and Garden - Angelica sylvestris, Epilobium hirsutum, Iris pseudocorus, Lycopus europaeus, Phalaris arundinacea, Urtica dioica, Valeriana officinalis.

Properties and Uses - strain can be used, raw or boiled as asparagus.

References

A. MelderIS - A Handbook of British Flowering Plants - Melderis Press, 2007

Bruce A. Bohm, Tod F. Stuessy - Flavonoids of the Sunflower family - Springer, 2001

John S. Rodwell - British Plants Communities - Cambridge University Press, 1998

Laurie Fallows - Wild Flowers and Where to Find Them in Northern England - Frances Lincoln Publishers, 2004

Roger Tory Peterson, Margaret McKenny - Wildflowers Northeastern / North-Central North America - Houghton Mifflin Harcourt, 1998

Vat Bojnanska, Agaita Fargasovai - Atlas of Seeds and Fruits of Central and East-European Flora - Springer, 2007

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