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Key to families | Table of families and genera

This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.

Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. 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.

 

ARGEMONE PRICKLY POPPY
Annual, perennial herb, spiny; sap yellow, orange, or white.
Leaf: generally cauline, ovate to oblanceolate, toothed or deeply pinnate-lobed, prickly.
Inflorescence: terminal, 1-flowered.
Flower: sepals (2)3, prickly, with pointed appendage below tip, shed at flower; petals (4)6, free, obovate to obdeltate, crinkled, white, shed after flower; stamens 100–250, free; carpels 3–5, style 0 or 1, stigma lobes 3–5.
Fruit: ovate to lanceolate, prickly, dehiscent from top by slits.
Seed: many, 1–2.5 mm, round to ovate, net-ridged, brown or black.
± 30 species: North America, South America, HI. (Greek: a poppy-like plant mentioned by Pliny)

Key to Argemone

1. Sap orange; leaf generally less prickly adaxially; stamens 100–120; fruit 25–35 mm; seed 1.5–2 mm; SNE, DMoj ..... A. corymbosa

1' Sap generally yellow (red in NCoRH); leaf ± equally prickly adaxially, abaxially; stamens 150–250; fruit 35–55 mm; seed 2–2.5 mm; NW (except NCo), CW, SW, s SN, GB, D ..... A. munita

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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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