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Vascular Plants of California
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Claytonia


Higher Taxonomy
Family: MontiaceaeView DescriptionDichotomous Key

Common Name: MINER'S LETTUCE FAMILY
Habit: 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.
Genera In Family: +- 22 genera, +- 230 species: generally temperate America, Asia, Australia, Europe, Kerguelen Is, New Zealand, southern Africa, poorly represented in Europe; some cultivated (Lewisia, Calandrinia). Note: All CA genera previously included in Portulacaceae; details of flowers, seeds require 20× magnification.
Unabridged Note: May include Hectorellaceae.
eFlora Treatment Author: John M. Miller, except as noted
Scientific Editor: Thomas J. Rosatti.
Claytonia
Habit: 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.
Species In Genus: 27 species: Central America, North America, eastern Asia, Siberia. Etymology: (John Clayton, colonial American botanist, 1694--1773)
Jepson eFlora Author: John M. Miller & Kenton L. Chambers
Reference: Miller & Chambers 2006 Syst Bot Monogr 78:1--236
Unabridged Reference: 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
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Key to Claytonia

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Next taxon: Claytonia cordifolia

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Citation for this treatment: John M. Miller & Kenton L. Chambers 2012, Claytonia, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=8893, accessed on December 03, 2023.

Citation for the whole project: Jepson Flora Project (eds.) 2023, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on December 03, 2023.