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Key to families | Table of families and genera
Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
Plants 5–25 dm. Leaf: 3–20 dm, abaxially densely tomentose, gray or white, adaxially thinly cobwebby, green; lobes oblong to lanceolate, entire or coarsely toothed; spine tips of teeth and lobes small and weak to stiff and needle-like. Inflorescence: involucre 3–15 cm, 4–15 cm diam (not including phyllary tips); phyllaries weakly to strongly spine-tipped. Flower: corolla 3–5 cm, generally blue or purple; styles long exserted. Fruit: 4–8 mm; pappus 2–4 cm.
2n=34. WEEDINESS: SYMBOL 2 [Online Interchange]
1. Middle phyllaries widely obtuse, truncate, or notched, distally with or without spine tip 1–2 mm or acuminate with pointed tip 22–38 mm and slender spine 6–9 mm; phyllaries indistinctly ± yellow-margined or not ..... subsp. cardunculus
1' Middle phyllaries acute to short-acuminate, with pointed tip 10–21 mm and spine 2–5(6) mm; phyllaries prominently ± yellow-margined ..... subsp. flavescens
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.