Centaurea calcitrapa Linnaeus (Q2993)

taxon name

Centaurea calcitrapa

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taxon authority

Linnaeus

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taxon rank

species

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taxon status

accepted

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common name

centaurée chausse-trape (French)

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centaurée étoilée (French)

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centaurée chausse-trappe (French)

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chausse-trappe (French)

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purple starthistle (English)

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red starthistle (English)

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big-headed purple starthistle (English)

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Purple star-thistle (English)

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caltrops (English)

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chausse-trappe (English)

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centaurée chausse-trappe (English)

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VasCan taxon numeric id

2962

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distribution

CA-BC

occurrence status

excluded

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publication

Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/

CA-ON

establishment of distribution

occurrence status

present

introduced

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publication

Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/

CA-ON

Ont.

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US-AL

Ala.

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US-AZ

Ariz.

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US-CA

Calif.

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US-DC

D.C.

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US-FL

Fla.

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US-GA

Ga.

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US-IL

Ill.

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US-IA

Iowa

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US-MD

Md.

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US-MA

Mass.

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US-NJ

N.J.

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US-NM

N.Mex.

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US-NY

N.Y.

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US-OR

Oreg.

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US-PA

Pa.

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US-UT

Utah

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US-VA

Va.

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US-WA

Wash.

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Europe

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Africa

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Centaurea Linnaeus nom. cons.

parent taxon

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taxon habit

herb

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GBIF taxon key

3128483

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering summer–autumn (Jun–Nov).

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taxon habitat

pastures

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fields

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roadsides

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elevation

0–1700 m

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special status

I

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taxon description fragment

Stems 1–several, often forming rounded mounds, puberulent to loosely tomentose.

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d0_s1

Leaves puberulent to loosely gray-tomentose, becoming ± glabrous, minutely resin-gland-dotted;

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d0_s2

proximal leaves petiolate, blades 10–20 cm, 1–3 times pinnately dissected, rosette with central cluster of spines;

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d0_s3

mid sessile, not decurrent, blades ovate, usually less than 10 cm, narrowly lobed;

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d0_s4

distal blades linear to oblong, entire to shallowly lobed.

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d0_s5

Heads disciform, borne singly or in leafy cymiform arrays, sessile or short-pedunculate.

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d0_s6

Involucres ovoid, 15–20 × 6–8 mm.

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d0_s7

Principal phyllaries: bodies greenish or stramineous, ovate, scarious-margined, appendages stramineous, spiny-fringed at base, each tipped by a stout spreading spine 10–25 mm.

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d0_s8

Inner phyllaries: appendages truncate, spineless.

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