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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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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
Perennial herb, glabrous, glaucous or not; sap colorless. Leaf: basal, deeply dissected, segments often lobed. Inflorescence: raceme, panicle, or 1-flowered. Flower: biradial, nodding to erect; sepals 2, shed after flower; petals 4, white or cream to pale yellow to pink or pink-tipped, persistent or not, outer 2 free, lanceolate, alike, both pouched at base, inner 2 adherent at tips, oblanceolate, ± crested on back; stamens 6, ± fused in 2 sets opposite outer petals; ovary cylindric to long-conic, placentas 2, style 1, stigma lobes 2. Fruit: oblong, fusiform to ovate, or conic, dehiscent from tip. Seed: few, 1–2 mm, oblong to reniform, smooth to finely netted, black; fleshy appendage present.Key to Dicentra
18 species: North America, Asia; some ornamental. (Greek: twice spurred, from outer petals) Other species in TJM (1993) moved to Ehrendorferia (Liden et al. 1997 Plant Syst Evol 206:411–420).
Plant 3–7 cm, tubered. Leaf: 1–3, 2–3-ternate-dissected, 4–7 cm. Inflorescence: 1–3-flowered. Flower: nodding to erect; petals 18–22 mm, white to pink or lavender, recurved tips of outer petals < 1/2 length of petal; inner petals ± purple. Fruit: 10–15 mm, fusiform to ovate.
Open, gravelly areas; 1200–3000 m. Klamath Ranges, High Cascade Range, n&s High Sierra Nevada, Western Transverse Ranges; to Oregon. Jun–Jul [Online Interchange]
Previous taxon: Dicentra nevadensis
Next taxon: Dicentra uniflora
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jan 26 2015
Citation for this treatment: [Author of taxon treatment] 2013. Dicentra, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=22770, accessed on Jan 26 2015
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© 2005 Aaron Schusteff
|Geographic subdivisions indicated for the distribution of Dicentra pauciflora|| 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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