Jepson eFlora
Key to families | Table of families and genera

Key to Cosmos

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1. Plant glabrous or puberulent; ray white to pink or purple; leaf sessile or short-petioled, 1–2 × divided into linear segments <= 1.5 mm wide; outer phyllaries 9–13 mm; fruit 7–16 mm ..... C. bipinnatus

1' Plant ± stiffly hairy; ray yellow to red-orange; leaf petioled, 2–3 × divided into linear to lanceolate segments 2–5 mm wide; outer phyllaries 5–7 mm; fruit 16–28 mm ..... [C. sulphureus]

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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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