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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; generally fleshy. Stem: 1–many, generally glabrous. Leaf: simple, alternate or opposite. Inflorescence: axillary or terminal; cyme, raceme, panicle, umbel, or flower 1. Flower: bisexual, radial; sepals generally 2(9), free; petals (1)2–19, free or ± fused; stamens 1–many, epipetalous or not, anthers pink, rose, or yellow; ovary superior, chamber 1, ovules 1–many, placenta basal or free-central; styles (0)1–8, generally fused at base, branched. Fruit: capsule, circumscissile or 2–3-valved. Seed: 1–many, shiny or ± pebbly or sculptured, black or gray, generally with oil-filled appendage as food for ants.
± 22 genera, ± 230 species: generally temperate America, Asia, Australia, Europe, Kerguelen Is, New Zealand, southern Africa, poorly represented in Europe; some cultivated (Lewisia, Calandrinia). [Ogburn & Edwards 2009 Amer J Bot 96:391–408] Details of flowers, seeds require 20× magnification. —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Applequist et al. 2006 Syst Bot 31:310–319; Nyffeler et al. 2008 Haseltonia 14: 26–36]
Unabridged note: May include Hectorellaceae.
Key to Montiaceae
Annual, perennial herb, from stolon, rhizome, tuberous root, or taproot, glabrous, ± fleshy. Leaf: entire; basal generally 0–many, rosetted; cauline generally 2, ± opposite, free, ± fused on 1 side, or fused into ± disk. Inflorescence: terminal, raceme, 1-sided; pedicel reflexed, in fruit erect. Flower: petals 5, pink or white; stamens 5; ovary chamber 1, placentas basal, style 1, stigmas 3. Fruit: valves 3, margins inrolling, forcibly expelling seeds. Seed: 3–6, generally black, generally appendaged.Key to Claytonia
27 species: Central America, North America, eastern Asia, Siberia. (John Clayton, colonial American botanist, 1694–1773) [Miller & Chambers 2006 Syst Bot Monogr 78:1–236]
Unabridged references: [Miller 2003 FNANM 4:465–474; Miller & Chambers 1993 Novon 3:268–273; Miller & Chambers 2006 Systematics of Claytonia Syst Bot Monogr 78:1–236]
Perennial herb; caudex 0; tuberous root 1–3 cm wide, spheric, ± brown; rhizomes, stolons 0. Stem: 5–15 cm, erect. Leaf: basal 0 or shriveled, 5–8 cm, elliptic, base wedge-shaped, tip acute, petiole thread-like; cauline 1–7 cm, free, ± linear to ovate, generally ± sessile. Inflorescence: generally short-stalked or sessile, 1-bracted at base; flowers 3–15. Flower: sepals 3–7 mm; petals 5–12 mm, white or ± pink, base yellow or not. Fruit: 3.5–4.5 mm. Seed: 2–2.5 mm, round, shiny.
Gravelly woodland, meadows; 1500–2600 m. Klamath Ranges, High North Coast Ranges, High Cascade Range, n&c High Sierra Nevada, San Gabriel Mountains, Modoc Plateau, Desert Mountains (Panamint Range); to western Canada, Montana, Colorado, New Mexico. [Claytonia lanceolata var. peirsonii Munz & I.M. Johnst.] May–Jul [Online Interchange]
Unabridged chromosomes: 2n=12,16,24,32,36,44,48,52,64,74,±90.
Previous taxon: Claytonia gypsophiloides
Next taxon: Claytonia megarhiza
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. Claytonia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=19622, accessed on Mar 9 2014
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© 1995 Gary A. Monroe
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