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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.



David J. Keil & Charles E. Turner

Annual in California. Stem: generally erect, leafy, branched distally or throughout. Leaf: basal and cauline, alternate, generally pinnately lobed, ± spiny; basal often 0 by flowering; cauline generally clasping, generally spreading to recurved, lanceolate to ovate, rigid. Inflorescence: heads discoid, 1; involucre ± urn-shaped; outer phyllaries ± leaf-like, inner with ± spiny appendages; receptacle convex to conic, epaleate but with many narrow scales. Flower: corolla tube slender, throat abruptly expanded, lobes linear; filaments generally densely hairy, anther base short-tailed, tip oblong; style tip with minutely hairy distal node and minutely papillate terminal segment, tip barely notched. Fruit: oblong to obpyramidal, ± 4-angled, glabrous, attached at side; outer fruit generally ± roughened, pappus generally 0; inner fruit smooth, pappus 0 or of many, narrow, generally unequal scales.
14 species: Mediterranean. (Arabic: safflower) [Keil 2006 FNANM 19:178–181]

Key to Carthamus

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

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

2. Cauline leaves dentate, 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


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