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Annual to small tree; sap colorless, yellow, orange, red, or white. Leaf: basal, cauline, or both, simple and entire, toothed, or lobed, or 1–3-pinnate-dissected or compound; cauline generally alternate; stipules 0. Inflorescence: terminal, 1-flowered or cyme, raceme, or panicle; bracts generally present. Flower: bisexual, radial, bilateral, or biradial; sepals 2–3, shed after flower; petals generally 2 × sepals in number; stamens generally many; ovary 1, superior, chamber 1, style 0 or 1, stigmas or lobes 2–many, ovules few to many. Fruit: capsule, dehiscent by valves or pores, ± nut, or breaking transversely into 1-seeded, indehiscent units. Seed: fleshy appendage generally 0.
25–30 genera, 200 species: northern temperate, northern tropics; some cultivated (Papaver, Eschscholzia, Hunnemannia), source of opiates. Stylomecon moved to Papaver. Corydalis, Dicentra, Fumaria in Fumariaceae in FNANM, elsewhere. Glaucium flavum Crantz is a waif. According to FNANM (3:300–301), Hunnemannia fumariifolia Sweet (± like Eschscholzia except sepals free) an occasional waif in California, but documentation evidently lacking. Fleshy appendage of seed sometimes for dispersal by ants. —Scientific Editor: Thomas J. Rosatti.
Key to Papaveraceae
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.Key to Argemone
± 30 species: North America, South America, Hawaii. (Greek: a poppy-like plant mentioned by Pliny)
Annual or perennial herb, 6–15 dm. Leaf: 5–15 cm, not leathery; lower lobed 1/2 way to midrib. Flower: petals 25–50 mm.
Dry, open areas; 70–3000 m. Northwestern California (except North Coast), c High Sierra Nevada, s Sierra Nevada, Central Western California, Southwestern California, Great Basin Floristic Province, Desert; northern Baja California. TOXIC but not generally eaten. [Argemone munita subsp. argentea G.B. Ownbey; Argemone munita subsp. robusta G.B. Ownbey; Argemone munita subsp. rotundata (Rydb.) G.B. Ownbey] Variable in prickle density on stems, leaves. Aug [Online Interchange]
Previous taxon: Argemone corymbosa
Next taxon: Canbya
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 1 2015
Citation for this treatment: [Author of taxon treatment] 2013. Argemone, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=14117, accessed on Jul 1 2015
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© 2001 Jeff Abbas
|Geographic subdivisions indicated for the distribution of Argemone munita|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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