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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] All California genera previously included in Portulacaceae; 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


C. Matt Guilliams & John M. Miller

Annual [perennial herb], ± fleshy, ± glabrous or glaucous. Stem: several to many, prostrate to ascending [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), ± pink-purple (white); stamens 3–15; stigmas 3. Fruit: 3-valved. Seed: 6–many, ovate to ± elliptic, generally black, smooth, finely tubercled, or with fine, net-like pattern.
14 species: western America. (J.L. Calandrini, Swiss scientist, 1703–1758) [Hershkovitz 2006 Gayana Bot 63:13–74; Kelley 2003 FNANM 4:459–460] Other taxa in TJM (1993) moved to Cistanthe; number of species (150) indicated in TJM (1993) and TJM2 (2012) should have been much smaller. Calandrinia menziesii added, as segregated from Calandrinia ciliata, which as newly circumscribed does not occur in California and therefore has been removed.
Unabridged references: [Ford 1992 Ph.D. Dissertation, Univ of Washington; Hershkovitz 1991 Phytologia 70:209–225; Hershkovitz 1993 Ann Missouri Bot Gard 80:333–365, 366–396; Kelley 1973 M.S. Thesis, California State Univ, Northridge]

Key to Calandrinia

Previous taxon: Montiaceae
Next taxon: Calandrinia breweri


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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora,, accessed on Oct 9 2015
Citation for this treatment: [Author of taxon treatment] 2013. Calandrinia, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on Oct 9 2015

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