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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 perennial herb (to tree). Leaf: cauline or basal, alternate, opposite, or whorled, generally simple and toothed (to pinnately compound); stipules 0 or generally deciduous. Inflorescence: spike, raceme, panicle, or flowers 1 in axils; bracted. Flower: generally bisexual, generally radial, often opening at either dawn or dusk; hypanthium generally prolonged beyond ovary (measured from ovary tip to sepal base); sepals 4(2–7); petals 4(2–7, rarely 0), often fading darker; stamens 2 × or = sepals in number, anthers 2-chambered, opening lengthwise, pollen interconnected by threads; ovary inferior, chambers generally as many as sepals (sometimes becoming 1), placentas axile or parietal, ovules 1–many per chamber, style 1, stigma 4-lobed (or lobes as many as sepals), club-shaped, spheric, or hemispheric. Fruit: capsule, loculicidal (sometimes berry or indehiscent and nut-like). Seed: sometimes winged or hair-tufted.
22 genera, ± 657 species: worldwide, especially western North America; many cultivated (Clarkia, Epilobium, Fuchsia, Oenothera). [Wagner et al. 2007 Syst Bot Monogr 83:1–240] Gaura moved to Oenothera. Fuchsia magellanica Lam. naturalized in northern California. —Scientific Editors: Robert Patterson, Bruce G. Baldwin.
Unabridged references: [Munz 1965 North America Fl II 5:1–278]
Key to Onagraceae
Perennial herb from tuber-tipped rhizomes or stolons. Leaf: opposite, petioled, entire to toothed; stipules present, occasionally deciduous. Inflorescence: raceme or panicle. Flower: hypanthium present; biradial; sepals 2, often reflexed, deciduous after flower (along with other flower parts); petals 2, erect; stamens 2, pollen yellow, grains shed singly; ovary chambers 1–2, stigmas maturing before anthers. Fruit: indehiscent, generally club-shaped, bur-like with hooked hairs. Seed: 1 per chamber, adhering to inner fruit wall.
8 species: northern hemisphere. (Greek: Circe, the enchantress) [Wagner et al. 2007 Syst Bot Monogr 83:78–81] Often self-pollinated.
Unabridged references: [Boufford 1982 Ann Missouri Bot Gard 69:804–994]
Stem: 1–5 dm, simple, erect, slender, cylindric, generally densely strigose. Leaf: 3–11 cm, ovate to ± round, glabrous or ± hairy; base round to ± cordate; tip acute; petiole 1.5–5 cm. Inflorescence: raceme, erect, densely strigose and glandular; pedicel in fruit 2–5 mm. Flower: hypanthium 0.3–0.5 mm; sepals 1–2 mm, white, reflexed; petals 1–1.5 mm, white; stamens ± = pistil; stigma 2-lobed. Fruit: ± 2 mm, 1-chambered.
2n=22. Cool, moist, conifer forest; < 2700 m. Northwestern California, Cascade Range, n Sierra Nevada Foothills, High Sierra Nevada, San Francisco Bay Area, San Bernardino Mountains, Warner Mountains; to western Canada, Montana, New Mexico. May–Aug [Online Interchange]
Previous taxon: Circaea
Next taxon: Clarkia
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 30 2015
Citation for this treatment: [Author of taxon treatment] 2013. Circaea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=49874, accessed on Mar 30 2015
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|Geographic subdivisions indicated for the distribution of Circaea alpina subsp. pacifica|| 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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