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Associations ( Anglèis )

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Foodplant / parasite
Podosphaera fugax parasitises live Geranium columbinum

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Comprehensive Description ( Anglèis )

fornì da North American Flora
Geranium columbinum L,. Sp. PI. 682. 1753
Annual or biennial. Stems branched at the base, the branches ascending or diffusely spreading, 1-8 dm. long, sparingly pubescent ; leaf-blades angular in outline, 2-4 cm. broad, long-petioled, the main divisions parted into linear segments ; petioles retrorsely pubescent ; peduncles and pedicels pubescent like the petioles, usually longer than the leaves ; sepals awn-tipped, the outer ones 10-12 mm. long, the bodies lanceolate, 3-ribbed, the slender tips about 2 mm. long ; petals rose-purple, somewhat longer than the sepals ; style-column fully 15 mm. long, strigillose ; carpel-bodies 3-3.5 mm. long, smooth and glabrous; seeds prominently reticulate.
Type locality : France.
Distribution : New Jersey, Pennsylvania, Virginia, and South Dakota. Naturalized from Europe.
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sitassion bibliogràfica
John Kunkel Small, Lenda Tracy Hanks, Nathaniel Lord Britton. 1907. GERANIALES, GERANIACEAE, OXALIDACEAE, LINACEAE, ERYTHROXYLACEAE. North American flora. vol 25(1). New York Botanical Garden, New York, NY

Geranium columbinum ( Anglèis )

fornì da wikipedia EN

Geranium columbinum, common name long-stalked crane's-bill[2] or longstalk cranesbill,[3] is a herbaceous annual plant in the family Geraniaceae.

Description

Close-up of a flower of Geranium columbinum

Geranium columbinum reaches on average 15–30 centimetres (5.9–11.8 in) in height, with a maximum of 60 centimetres (24 in).[4] The stem is more or less erect, hairy and quite branched. The leaves are opposite, approximately pentagonal and palmate and the leaf lobes have two to three deep cuts making it similar in shape to a pigeon's foot (hence the Latin epithet columbinus). The flowers are pink to purple, 15–20 millimetres (0.59–0.79 in) in size,[4] with five obovate-heart-shaped petals as long as the sepals. The petals are 7–9 mm long, with distinctive veining. The flowering period extends from March to September.[4] The flowers are hermaphrodite and pollinated by insects (entomogamy).

Distribution

This plant is present throughout Europe, Western Asia and Northern Africa.[1] It has also been introduced into North America.

Habitat

Geranium columbinum prefers moderately dry, nutrient-rich calcareous soils, in woods, hedgerows and roadsides, at an altitude of 0–1,200 metres (0–3,937 ft) above sea level.[4]

Gallery

References

  1. ^ a b "Tela Botanica". Archived from the original on 2012-03-29. Retrieved 2011-09-10.
  2. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  3. ^ USDA, NRCS (n.d.). "Geranium columbinum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 19 January 2016.
  4. ^ a b c d Pignatti S. - Flora d'Italia – Edagricole – 1982. Vol. II, pag. 10

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Geranium columbinum: Brief Summary ( Anglèis )

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Geranium columbinum, common name long-stalked crane's-bill or longstalk cranesbill, is a herbaceous annual plant in the family Geraniaceae.

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