Rock Garden Plants
Centaurea  sphaerocephala ssp. polyacantha (Willd.) Dostál  trib. Cardueae 
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FamilyASTERACEAE
Genus species var.Centaurea  sphaerocephala ssp. polyacantha (Willd.) Dostál  trib. Cardueae
SynonymsCentaurea polyacantha Willd. (basionym)
 Calcitrapoides polyacantha (Willd.) Holub
 Centaurea polyacantha var. adpressa Maire
Territory Southwestern EuropeNorthern AfricaMoroccoPortugalSpain
dry, sandy grassland
Description basal leaves in rosette, petiolate, lyrate, segments dentate, the terminal largest, stem leaves amplexicaule, runcinate-pinnatifid, arachnose, capitula solitary, ca. 5cm
Size5-15cm
Colorblue, purple
Bloomspring
Ca
Typetuft
Cultivationdry, sunny site with a poor, sandy soil
alpine house, sandy soil, sun
Propagationseed in spring, dark, moist, germ. 1 month, 16-21°C
cuttings in late summer
BibliographyTutin T.G.(ed.) Flora Europaea (1964-1980)
Compositae Checklist compositae.landcareresearch.co.nz
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