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Overview
Distribution
Canada (North America)
Kazakhstan (Asia)
Russian Federation (Asia)
United States (North America)
China (Asia)
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Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
http://www.tropicos.org/Reference/1103
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Gleason, H. A. 1968. The Sympetalous Dicotyledoneae. vol. 3. 596 pp. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York.
http://www.tropicos.org/Reference/1707
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Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York.
http://www.tropicos.org/Reference/1327
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Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley.
http://www.tropicos.org/Reference/1717
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Flora of China Editorial Committee. 1988-2013. Fl. China Unpaginated. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.
http://www.tropicos.org/Reference/42480
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Cronquist, A. J. 1980. Asteraceae. 1: i–xv, 1–261. In Vasc. Fl. S.E. U. S. The University of North Carolina Press, Chapel Hill.
http://www.tropicos.org/Reference/1714
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Flora of China Editorial Committee. 2011. Fl. China 20–21: 1–992. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.
http://www.tropicos.org/Reference/100006787
© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA
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Missouri Botanical Garden
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National Distribution
Canada
Origin: Exotic
Regularity: Regularly occurring
Currently: Unknown/Undetermined
Confidence: Confident
United States
Origin: Exotic
Regularity: Regularly occurring
Currently: Unknown/Undetermined
Confidence: Confident
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NatureServe
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Physical Description
Morphology
Comments
© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Source:
Missouri Botanical Garden
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Description
- Flora of North America @ eFloras.org
© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Source:
Missouri Botanical Garden
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Ecology
Associations
Associations
Foodplant / parasite
Erysiphe echinopis parasitises Echinops sphaerocephalus
© BioImages
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Conservation
Conservation Status
National NatureServe Conservation Status
Canada
Rounded National Status Rank: NNA - Not Applicable
United States
Rounded National Status Rank: NNA - Not Applicable
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NatureServe
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NatureServe Conservation Status
Rounded Global Status Rank: GNR - Not Yet Ranked
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NatureServe
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Wikipedia
Echinops sphaerocephalus
Echinops sphaerocephalus, known by the common name Great globe thistle or Pale globe-thistle, is a species of globe thistle belonging to the family Asteraceae.
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Etymology
The genus name derives from the Greek words "ekhinos" meaning "hedgehog" and "opisis" meaning "aspect", with reference to the appearance of the inflorescence, while the species name sphaerocephalus derives from the words "sphaera" meaning "round" and "kephalos" meaning head.
Description
This is a glandular, woolly perennial herbaceous plant which reaches on average 50–100 centimetres (20–39 in) of height, with a maximum of two metres.
Its erect, branching, gray, slightly wrinkled and hairy stems bear the occasional large, soft, sharply toothed, sharp-lobed pointed green leaves. They are sticky hairy above, and white woolly below.
Atop each stem is an almost perfectly spherical inflorescence up to 6 cm in diameter, packed with white or blue-gray disc florets. It flowers from June until September.[1]
The flowers are pollinated by insects (usually bees, wasps and butterflies) (entomogamy) and are hermaphrodite (self fertilization or autogamy). The fruits are hairy cylindrical achenes about 7 to 8 mm long. They ripe from September through October. The seed dispersal is granted by wind (anemochory).
Distribution
This species is native to Eurasia but it lives on other continents where it was introduced, including North America where it is a widespread weed. It is very common in the mountains of southern France and southern and central Europe.
Habitat
It grows in sunny, rocky or brushy places, with more or less mineral rich soils, at an altitude of 0–400 metres (0–1,300 ft) above sea level.
Subspecies
- Echinops sphaerocephalus L. subsp. albidus (Boiss. et Spruner) Kozu.
- Echinops sphaerocephalus L. subsp. sphaerocephalus
Gallery
Illustration of Echinops sphaerocephalus from Flora von Deutschland, Österreich und der Schweiz, 1885
Close-up on flowers of Echinops sphaerocephalus
Inflorescence of Echinops sphaerocephalus pollinated by a butterfly
Leaf of Echinops sphaerocephalus
References
- ^ Rose, Francis (1981). The Wild Flower Key. Frederick Warne & Co. pp. 386–387. ISBN 0-7232-2419-6.
Source:
Wikipedia
Unreviewed
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