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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.
Annual. Stem: erect, generally branched. Leaf: alternate, sessile, toothed or 1–3 pinnately lobed or dissected. Inflorescence: heads radiate, peduncled; phyllaries generally in 3 series, overlapping, widely scarious-margined; receptacle convex, epaleate. Ray flower: 13–21; ray yellow or cream with yellow base. Disk flower: 60–150+; corolla yellow; anther base rounded or ± cordate, tip ovate; style branches truncate with brush-like tips. Fruit: ray fruit 3-angled, 2–3-winged; disk fruit angled, ribbed, and adaxially winged or ± cylindric and ribbed, pappus 0.
2 species: Mediterranean, southwestern Asia. (Derivation unknown) [Strother 2006 FNANM 19:554–555] Previously treated in Chrysanthemum, a name recently conserved for other plants.
Unabridged references: [Turland 2004 Taxon 53:1072–1074]
1. Leaves deeply 2–3-pinnately dissected; ray fruit 3-winged; disk fruit 4-angled with adaxial angle winged, faces ribbed ..... G. coronaria
1' Leaves simple, toothed or ± shallowly 1(2)-pinnately lobed; ray fruit 2-winged; disk fruit ± cylindric or obovoid, not winged, 10-ribbed ..... G. segetum
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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