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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
Annual to subshrub. Leaf: generally opposite proximally (or clustered in axils), generally ± fine-toothed; veins generally obscure. Inflorescence: generally raceme, bracted. Flower: radial or rarely ± bilateral; sepals 4, erect; petals 4, notched; stamens 8, anthers attached at middle, pollen grains generally shed in 4s, cream-yellow; ovary chambers 4, stigma generally club-like, occasionally 4-lobed. Fruit: straight, cylindric to club-like. Seed: generally in 1 row per chamber, generally with white, deciduous hair-tuft.Key to Epilobium
165 species: worldwide except tropics. (Greek: upon pod, from inferior ovary) [Raven 1976 Ann Missouri Bot Gard 63:326–340; Wagner et al. 2007 Syst Bot Monogr 83:81–95] Incl Boisduvalia, Zauschneria. Most taxa polyploid; many with anthers ± = stigma self-pollinated; many hybrids. Taxa with alternate leaves moved to Chamerion.
Perennial herb < 1.5 dm, clumped from woody caudex, ± subglabrous, ± glaucous; many wiry, scaly basal shoots. Leaf: 6–20 mm, widely lance-elliptic to nearly round; tip round to obtuse; petiole 0–3 mm. Inflorescence: generally densely hairy (glandular). Flower: hypanthium 3–5.5 mm; sepals (3)6–15 mm; petals 11–24 mm, pink to rose-purple; stamens < pistil; stigma 4-lobed. Fruit: 20–45 mm, widely club-like, densely glandular; pedicel 2–3 mm. Seed: 1.4–2.1 mm, low-papillate; hair-tuft white, deciduous.
2n=36. Rocky ridges, dry talus; 1700–4000 m. High Cascade Range, High Sierra Nevada, Modoc Plateau; to eastern Oregon, central Idaho, northeastern Nevada. Jul–Sep [Online Interchange]
Previous taxon: Epilobium nivium
Next taxon: Epilobium oreganum
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jan 30 2015
Citation for this treatment: [Author of taxon treatment] 2013. Epilobium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=24381, accessed on Jan 30 2015
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© 1993 Gary A. Monroe
|Geographic subdivisions indicated for the distribution of Epilobium obcordatum|| 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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