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Carthamus lanatus

(Distaff Thistle)

Overview

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Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in Danish:

Ulden Farvetidsel

Common Names in Dutch:

Wollige Saffloer

Common Names in English:

Distaff Thistle, Saffron Thistle, Saffron Thistle Carthamus Lanatus, Smooth Distaff Thistle, Woolly Distaff Thistle, Woolly Distaff-Thistle, Woolly Safflower, Woolly Star Thistle

Common Names in Finnish:

Villasaflori

Common Names in French:

Carthame

Common Names in German:

Wolliger Saflor

Common Names in Italian:

Cartamo Lanoso

Common Names in Portuguese:

Cardo Sanguinho

Common Names in Portuguese (Brazil):

Cardo-Da-Cruz, Cardo-Do-Diabo, Cardo-Lanudo

Common Names in Spanish:

Cardo Lanudo

Common Names in Swedish:

Luddsafflor

Description

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Family Compositae

The largest family of flowering plants , the Compositae (Asteraceae), comprising about 1,100 genera and more than 20,000 species and characterized by many small flowers arranged in a head looking like a single flower and subtended by an involucre of bracts. A head may consist of both ray flowers and disk flowers, as in the sunflower, of disk flowers only, as in the burdock, or of ray flowers only, as in the dandelion.

Genus Carthamus

Annuals or perennials, 30-180 cm. herbage glabrous to ± glandular and/or ± tomentose . Stems usually erect , branched distally or throughout, (leafy). Leaves basal and cauline or all cauline; basal and proximal cauline winged-petiolate, distal cauline sessile, sometimes clasping ; blade margins dentate to pinnately lobed , ± spiny , faces glabrous or ± glandlar and/or ± tomentose. Heads discoid , borne singly or in few-headed cymiform arrays. Involucres ovoid , constricted distally. Phyllaries many in 4-5 series. linear to ovate (at least outer ± leaflike), bases appressed , apical appendages more herbaceous, prominently veiny , spiny-dentate or -lobed, spine. tipped. Receptacles convex to conic, epaleate, bearing subulate scales . Florets 15-60+. corollas yellow to red or ± purple, tubes very slender, throats gradually or abruptly expanded, ± cylindric or short-campanulate, lobes linear; anther bases short-tailed, apical appendages oblong ; style branches: fused portions with slightly swollen basal nodes minutely hairy , distally minutely papillate , distinct portions very short. Cypselae oblong to obpyramidal , ± 4-angled, apices with smooth or dentate rims, faces usually ± roughened (outer) or smooth (inner), glabrous, attachment scar . lateral ; pappi 0 or (usually only inner cypselae) ± persistent , of many, usually unequal, narrow scales overlapping in several series. x = 10, 12.

Species 14: introduced ; United States; Mediterranean region.[1]

Physical Description

Species Carthamus lanatus

Plants 40-180 cm, herbag. ± densely glandular , loosely cobwebby to ± woolly . Stems rigidly erect , openly branched distally, stramineous . Leaves basal and cauline; basal often absent at anthesis , petioles winged , blades 10-15 cm, margins pinnately 1-2-divided into linear or lanceolate spine-tipped lobes ; cauline spreading or recurved, lanceolate to ovate , rigid , clasping , 3-7-veined from base , margins with narrow spine-tipped lobes, spinose-acuminate. Involucres ovoid , body 25-35 mm, usually ± tomentose . Outer phyllaries ascending or ± spreading, 35-50 mm, usually not more than 1.5 times as long as inner, terminal appendages spreading to ascending, linear-lanceolate, spiny lobed , prominently spine-tipped. Corollas yellow, sometimes red- or black-veined, 25-35 mm, throats gradually expanded; anthers yellow; pollen yellow. Cypselae brown, 4-6 mm, the outer roughened; pappus scales 1-13 mm. 2n = 44. [source]

Native to the Mediterranean region, Carthamus lanatus is a viciously spiny noxious weed , sometimes forming nearly impenetrable stands. In rangelands it is known to injure the eyes and mouths of livestock, and it tends to spread when more palatable plants are consumed. Because of the close relationship between the cultivated safflower (Carthamus tinctorius) and its weedy relatives, biocontrol has not been an option for controlling weedy species such as C. lanatus. [source]

Flowers: Bloom Period: April, May, June, July, August, September, October, November. • Flower Color: goldyellow-orange

Size/Age/Growth

Size: 12-18" tall.

Habitat

Roadsides, grain fields , pastures; 0-1100 m [2].

Typically found at an altitude of 0 to 1,953 meters (0 to 6,407 feet).[3]

Biology

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Growth

Culture: Space 18-24" apart.

Soil: Minimum pH: 5.6 • Maximum pH: 7.8

Sunlight: Sun Exposure: Full Sun .

Temperature: Cold Hardiness: Not Applicable (map)

Taxonomy

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Synonyms

Kentrophyllum Lanatum

Notes

Name Status: Accepted Name .

Comment: Data Providers: African Flowering Plants Database , SANBI, New Zealand Plant Name Database, Govaerts World Compositae Checklist A-G, IPNI, Flora of China Checklist, Tropicos, Euro+Med, Flora of Tasmania Online, Northern Territory Checklist, Australian Cap. GCC LSID: urn :lsid:compositae.org:names:924F60B7-0958-40E6-85BF-67C21DA56E1F

Last scrutiny: 13-Nov-09

Similar Species

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Members of the genus Carthamus

ZipcodeZoo has pages for 10 species, subspecies, varieties, forms, and cultivars in this genus:

C. baeticus baeticus (Smooth Distaff Thistle) · C. lanatus (Distaff Thistle) · C. lanatus baeticus (Distaff Thistle) · C. lanatus lanatus (Woolly Distaff Thistle) · C. leucocaulos (Distaff Thistle) · C. oxyacantha (Jeweled Distaff Thistle) · C. oxyacanthus (Wild Safflower) · C. tinctorius (American Saffron) · C. tinctorius 'Grenade Mix' (American Saffron) · C. tinctorius 'Magestic Orange' (American Saffron)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 19, 2007:

Identifiers

Footnotes

  1. David J. Keil "Carthamus". in Flora of North America Vol. 19, 20 and 21 Page 52, 67, 83, 178. Oxford University Press. Online at EFloras.org. [back]
  2. "Carthamus lanatus". in Flora of North America Vol. 19, 20 and 21 Page 178, 179, 180. Oxford University Press. Online at EFloras.org. [back]
  3. Mean = 229.420 meters (752.690 feet), Standard Deviation = 246.470 based on 889 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 7/16/2012