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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.

 

DAUCUS
Annual, biennial, taprooted, hairy. Stem: decumbent or erect, generally ± branched. Leaf: blade oblong, pinnately dissected, segments linear to lanceolate. Inflorescence: umbels compound; bracts, bractlets generally present; bracts conspicuous, generally pinnately lobed; bractlets entire to toothed; rays generally many, spreading, in fruit incurved to form nest-like umbel. Flower: outer occasionally ± bilateral; calyx lobes 0 or evident; petals wide, white, margins occasionally ± red, tips narrowed, unequally 2-lobed. Fruit: oblong to ovate, compressed front-to-back; ribs 10, 1° thread-like, bristly, 2° winged, prickly; oil tubes 1 beneath each 2° rib; fruit axis entire or notched at tip.
± 20 species: America, Eurasia, northern Africa, Australia. (Greek: carrot) [Sáenz Laín 1980 Anales Jard Bot Madrid 37:481–533]

Key to Daucus

1. Biennial; bract segments elongate, narrowly linear to ± thread-like; umbel central flower generally purple; fruit widest at middle ..... D. carota

1' Annual; bract segments short, linear to lanceolate; umbel central flower white; fruit widest proximal to middle ..... D. pusillus

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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].
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