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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, from taproot; rosette generally ± 0. Leaf: cauline, alternate, simple, generally linear to narrowly elliptic. Inflorescence: bracted; spike, nodding in bud, flower only at distal nodes. Flower: radial, generally opening at dawn; sepals 4, reflexed singly or in pairs; petals 4, yellow, generally fading red, often with red basal spots; stamens 8, longer ones opposite sepals, anthers attached at middle, pollen grains 3-angled except in polyploid taxa, at 20×; ovary chambers 4, stigma hemispheric, generally > anthers and cross-pollinated, or ± = anthers and self-pollinated. Fruit: ± cylindric, straight to wavy, distorted by seeds at maturity, dehiscent throughout most of its length, generally sessile. Seed: in 1 row per chamber, narrowly obovoid, smooth (minutely pitted), glossy.Key to Camissonia
12 species: western North America (especially California Floristic Province), 1 South America. (L.A. von Chamisso, French-born German botanist, 1781–1838) [Wagner et al. 2007 Syst Bot Monogr 83:1–240] Polyploidy and self-pollination have predominated in evolution of genus. Not monophyletic as treated in TJM (1993); segregates moved to Camissoniopsis, Chylismia, Chylismiella, Eremothera, Eulobus, Neoholmgrenia, Taraxia, Tetrapteron (Wagner et al. 2007).
Unabridged references: [Raven 1969 Contr US Natl Herb 37:161–396]
Slender, ± glabrous or minutely strigose, generally sparsely glandular-hairy (sparsely spreading-nonglandular-hairy). Stem: erect, < 30 cm, wiry. Leaf: 10–30 mm, linear, ± entire. Flower: hypanthium < 2 mm; sepals < 2.2 mm, free; petals 1.8–4 mm, yellow fading ± red. Fruit: ± 20–30 mm, 0.6–0.9 mm wide, ± swollen by seeds, straight or wavy, ± sessile. Seed: 0.7–0.8 mm.
2n=28. Sandy soils, generally sagebrush scrub; 1000–2000 m. Great Basin Floristic Province; to Washington, Wyoming, Colorado. Self-pollinated. Related to Camissonia kernensis, Camissonia pubens, Camissonia pusilla. May–Jun [Online Interchange]
Unabridged synonyms: [Oenothera parvula Nutt. ex Torr. & A. Gray; Oenothera contorta var. flexuosa (A. Nelson) Munz]
Unabridged note: Expanded author citation: Camissonia parvula (Nutt. ex Torr. & A. Gray) P.H. Raven
Previous taxon: Camissonia lacustris
Next taxon: Camissonia pubens
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 20 2014
Citation for this treatment: [Author of taxon treatment] 2012. Camissonia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=16937, accessed on Apr 20 2014
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