Jepson Herbarium
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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, Eur, Kerguelen Is, New Zealand, s Africa, poorly represented in Eur; 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.
27 species: C.Am, North America, e Asia, Siberia. (John Clayton, colonial Am 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; caudex short, 2–5 mm diam, horizontal, white; rhizomes, stolons slender, with bulb-like buds.
Stem: 10–60 cm, spreading to erect.
Leaf: basal 8–30 cm, blade 2–8 cm, narrowly elliptic to oblanceolate, base tapered to linear, ± indistinct petiole, tip obtuse to acute; cauline 2–9 cm, free, oblanceolate to widely elliptic, sessile or tapered to winged petiole, obtuse to acute.
Inflorescence: stalked, open, bracts 1 below each flower; flowers 5–18.
Flower: sepals 3–4 mm; petals 5–9 mm, generally white (± pink).
Fruit: 2–3 mm.
Seed: 1.5–1.8 mm, round, dull.
2n=12. Marshy meadows, springs, streambanks; 1000–2500 m. Klamath Ranges, High Cascade Range, High Sierra Nevada.

Previous taxon: Claytonia nevadensis
Next taxon: Claytonia parviflora

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].

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Bioregions in which taxon occurs	Red area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon; 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 have georeferencing or identification issues.
Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates.	Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria. View all CCH records   CCH collections by month Duplicates counted once; synonyms included. Species do not include records of infraspecific taxa. Blue line denotes Manual flowering time.