Directory       News       Site Map       Home
         
    Jepson eFlora: Taxon page
Key to families | Table of families and genera

Previous taxon Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Previous taxon

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

CLAYTONIA

John M. Miller & Kenton L. Chambers

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: Central America, North America, eastern Asia, Siberia. (John Clayton, colonial American 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]

Key to Claytonia

C. saxosa Brandegee
NATIVE
Annual. Stem: 1–3 cm, spreading to erect. Leaf: basal crowded, < 2 cm, oblong to obovate, sessile, tip obtuse; cauline < 1.5 cm, free, ovate, sessile, obtuse. Inflorescence: sessile, dense; bracts 0; flowers 2–10. Flower: sepals 2–3 mm; petals 5–8 mm, ± pink. Fruit: 2–3.5 mm. Seed: 1.3–2 mm, elliptic, dull.
2n=16. Open, rocky sites, generally serpentine; 800–2150 m. Klamath Ranges, Outer North Coast Ranges, High North Coast Ranges; southern Oregon. Mar–May [Online Interchange]

Previous taxon: Claytonia rubra subsp. rubra
Next taxon: Claytonia sibirica

Contact/Feedback

Name search

Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 28 2014
Citation for this treatment: [Author of taxon treatment] 2013. Claytonia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=19636, accessed on Jul 28 2014

Copyright © 2014 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.


click for enlargement Claytonia saxosa
See CalPhotos for additional images
© 1990 John Game

Bioregions in which Claytonia saxosa 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.
READ ABOUT YELLOW FLAGS
map of distribution 1
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.