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MONTIACEAE MINER'S LETTUCE FAMILY

John M. Miller, except as noted

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

CALANDRINIA
Annual [perennial herb], ± fleshy, ± glabrous or glaucous. Stem: several to many, prostrate to erect, 3–45 cm. Leaf: simple, alternate; blade linear to spoon-shaped, flat [cylindric]. Inflorescence: raceme or panicle; bracts leaf-like [or scarious]. Flower: sepals 2, overlapped, persistent in fruit; petals (3)5(7), red [(white)]; stamens 3–15; style 3-branched. Fruit: 3-valved. Seed: 6–many, ovate to ± elliptic, generally black, smooth, finely tubercled, or with fine, net-like pattern.
150 species: western America, Australia. (J.L. Calandrini, Swiss scientist, 1703–1758) [Hershkovitz 1993 Ann Missouri Bot Gard 80:333–365, 366–396] Other taxa in TJM (1993) moved to Cistanthe.
Unabridged references: [Ford 1992 Ph.D. Dissertation, Univ of Washington; Hershkovitz 1991 Phytologia 70:209–225; Kelley 1973 M.S. Thesis, California State Univ, Northridge]

Key to Calandrinia

C. breweri S. Watson BREWER'S CALANDRINIA
NATIVE
Annual, ± glabrous. Stem: prostrate to ascending. Leaf: 2–8 cm, ± ovate to spoon-shaped. Inflorescence: raceme, elongate; pedicel 6–20 cm, generally curved in fruit. Flower: sepals 4–6 mm, glabrous to ± ciliate; petals generally 5, 3–5 mm; stamens 3–6. Seed: 10–15, 1–2 mm wide, ± elliptic.
Sandy to loamy soil, disturbed sites, burns; < 1200 m. North Coast Ranges, c Sierra Nevada Foothills, San Francisco Bay Area, Outer South Coast Ranges, South Coast, Western Transverse Ranges; northern Baja California. Feb–May [Online Interchange] {CNPS list}

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Next taxon: Calandrinia ciliata

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 23 2014
Citation for this treatment: [Author of taxon treatment] 2012. Calandrinia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=16614, accessed on Apr 23 2014

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click for enlargement Calandrinia breweri
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© 2009 Dean Wm. Taylor, Ph.D.

Bioregions in which Calandrinia breweri occurs 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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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.