Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera

Key to Carthamus

View taxon page for Carthamus

(For a list of species in Carthamus, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Corolla pale purple; cauline leaves ± deeply lobed ..... [C. leucocaulos]

1' Corolla yellow to red; cauline leaves toothed to deeply lobed

2. Cauline leaves , weakly spiny; corolla yellow to red; fruit white ..... [C. tinctorius]

2' Cauline leaves ± deeply lobed, very spiny; corolla yellow; fruit brown

3. Outer phyllaries generally 2 × inner; herbage ± sparsely hairy; stem white ..... C. creticus

3' Outer phyllaries generally <= 1.5 × inner; herbage loosely cobwebby to ± woolly; stem straw-colored ..... C. lanatus


Please use this Google Form for Contact/Feedback

Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, [accessed on ]

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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.