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Claytonia rubra subsp. rubra

Higher Taxonomy
Family: MontiaceaeView DescriptionDichotomous Key

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.
Genus: ClaytoniaView DescriptionDichotomous Key

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)
eFlora Treatment Author: John M. Miller & Kenton L. Chambers
Species: Claytonia rubraView Description 

Habit: Annual (perennial herb). Stem: 1--15 cm. Leaf: basal 1--8 cm, blade < 2 cm, elliptic to widely deltate, base truncate to wedge-shaped, tip generally obtuse, petiole linear; cauline fused or +- free on 1 side, < 4 cm wide, generally round or with 2 +- square corners. Inflorescence: +- dense, 1-bracted at base; flowers 3--30. Flower: sepals 1.5--3 mm; petals 2--3.5 mm, white to pink-white. Fruit: 2--3 mm. Seed: 1--2 mm, elliptic, shiny, smooth.
Note: Intergrades with Claytonia parviflora, Claytonia perfoliata.

Claytonia rubra (Howell) Tidestr. subsp. rubra
Leaf: basal diamond-shaped to deltate, base +- truncate; cauline fused or partly free on 1 side. Chromosomes: 2n=12.
Ecology: Vernally moist dunes, conifer forest, woodland, scrub; Elevation: < 2500 m. Bioregional Distribution: NW (exc NCo), CaRH, SNH, Teh, w CW (exc n CCo), TR, PR, GB; Distribution Outside California: to British Columbia, South Dakota, Colorado. Flowering Time: Apr--Jul
eFlora Treatment Author: John M. Miller & Kenton L. Chambers
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Previous taxon: Claytonia rubra subsp. depressa
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botanical illustration including Claytonia rubra subsp. rubra


Citation for this treatment: John M. Miller & Kenton L. Chambers 2017. Claytonia rubra subsp. rubra, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on October 19, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora,, accessed on October 19, 2017.

Claytonia rubra subsp. rubra
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© 2009 Barry Breckling
Claytonia rubra subsp. rubra
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© 2004 Steve Matson
Claytonia rubra subsp. rubra
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© 2013 Julie Kierstead Nelson
Claytonia rubra subsp. rubra
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© 2015 Barry Breckling
Claytonia rubra subsp. rubra
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© 2008 Keir Morse
Claytonia rubra subsp. rubra
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© 2010 Barry Breckling

More photos of Claytonia rubra subsp. rubra in CalPhotos

Geographic subdivisions for Claytonia rubra subsp. rubra:
NW (exc NCo), CaRH, SNH, Teh, w CW (exc n CCo), TR, PR, GB;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

View elevation by latitude chart
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 eFlora flowering time.