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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.
Annual 0.5–15 dm, simple or branched distally, peeling proximally, spreading hairy or strigose. Leaf: opposite only near base, ± sessile, 14–85 mm, (narrowly) lanceolate to sublinear; distal leaves hairy. Inflorescence: leafy, ± dense spike, sometimes glandular. Flower: hypanthium 1.3–4 mm; sepals 2–8 mm; petals 3–10 mm, rose-purple to white; stigma head-like to irregularly 4-lobed. Fruit: 4–11 mm, cylindric, pliable, not beaked, dehiscent to base; axis persistent; pedicel 0–2.5 mm. Seed: 1.2–1.6(1.9) mm, netted, glabrous, hair-tuft 0.
2n=20. Streambanks, outwashes, seasonal moist flats; < 2600 m. California Floristic Province (except South Coast, Channel Islands), Modoc Plateau; to British Columbia, Montana, Arizona, northern Baja California. Highly variable. May–Oct [Online Interchange]
Unabridged synonyms: [Boisduvalia densiflora (Lindl.) S. Watson; Boisduvalia densiflora var. pallescens Suksd.; Boisduvalia densiflora var. salicina (Rydb.) Munz]
Previous taxon: Epilobium cleistogamum
Next taxon: Epilobium foliosum
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 9 2014
Citation for this treatment: [Author of taxon treatment] 2012. Epilobium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=76884, accessed on Mar 9 2014
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