familyPortulacaceae
genusClaytonia
speciesClaytonia nevadensis

Claytonia nevadensis

S. Watson in W. H. Brewer et al.

in W. H. Brewer et al., Bot. California 1: 77. 1876.

John M. Miller
Common names: Sierra Nevada claytonia
Endemic
Synonyms: Montia nevadensis (S. Watson) Jepson
Treatment appears in FNA Volume 4. Treatment on page 470. Mentioned on page 467.

Plants perennial, rhizomatous; rhizome 4–8 mm diam.; periderm 5–15 mm. Stems 3–10 cm. Leaves: basal leaves sessile, blade spatulate to rhombic or ovate, 2–10 × 0.2–3 cm; cauline leaves sessile, blade ovate, 0.5–2 × 0.2–0.5 cm. Inflorescences ebracteate. Flowers 12–16 mm diam.; sepals 2–3 mm; petals pink to magenta, 8–12 mm; ovules 6. Seeds (1–) 6, 2–3 mm, shiny and smooth; elaiosome 1 mm or less. 2n = 14.


Phenology: Flowering May–Aug.
Habitat: Mountain fell-fields
Elevation: 2000-3500 m

Distribution

V4 935-distribution-map.gif

Calif., Nev., Oreg.

Discussion

Selected References

Chambers, K. L. 1963. Claytonia nevadensis in Oregon. Leafl. W. Bot. 10: 1–8.

Lower Taxa

None.

"less" is not a number.

... more about "Claytonia nevadensis"
RDF feed
2n chromosome quantity
14 +
Apex shape
obtuse +  and apiculate +
Attachment point arrangement or course or shape
linear +
Author
John M. Miller +
Authority
S. Watson in W. H. Brewer et al. +
Basal leaf architecture
sessile +
Basal leaf quantity
few;several +
Blade length
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Blade margin architecture or shape
entire +
Blade margin shape
occasionally dentate;crisped +
Blade shape
ovate +, spatulate +  and rhombic or ovate +
Blade width
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.5 cm5 mm <br />0.005 m <br /> (?) +
Bract architecture or shape
leaflike +
Bract shape
scale-like +
Bract texture
membranous +
Capsule architecture
3-valved +
Capsule dehiscence
dehiscent +
Caudex texture
woody +
Cauline leaf architecture
sessile +
Cauline leaf arrangement
whorled +  and opposite +
Cauline leaf fusion
connate +, or +  and distinct +
Cauline leaf quantity
3 (?) +  and 2 (?) +
Common name
Sierra Nevada claytonia +
Distribution
Calif. +, Nev. +  and Oreg. +
Elaiosome coloration
white +
Elevation
2000-3500 m +
Flower architecture
solitary +
Flower architecture or course
irregular +
Flower architecture or shape
symmetric +
Flower diameter
1.2 cm12 mm <br />0.012 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Flower prominence
showy +
Form quantity
multiple +
Fruit architecture
capsular +
Gynoecium architecture
2-9-carpelled +
Habitat
Mountain fell-fields +
Illustration copyright
Flora of North America Association +
Illustrator
Barbara Alongi +
Individual quantity
single +
Inflorescence architecture
ebracteate +
Inflorescence arrangement
racemose +
Inflorescence position
terminal +  and axillary +
Inflorescence position or structure subtype
terminal +
Inflorescence shape
spikelike +
Leaf architecture
not articulate +
Leaf architecture or fixation
clasping +
Leaf arrangement
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
Leaf position
cauline +  and basal +
Margin architecture
hygroscopic +
Margin shape or vernation
involute +
Node pubescence
glabrous +
Number of lower taxa
0 +
Ovary architecture
plurilocular +
Ovary architecture or structure in adjective form
1-locular +
Ovary position
superior +
Ovary quantity
1 +
Ovary shape
globose +
Ovule placentation
1-many +
Ovule quantity
6 +
Periderm some measurement
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Petal atypical quantity
1 (2) +
Petal coloration
pink +  and magenta +
Petal fusion
connate +  and distinct +
Petal presence
absent +
Petal quantity
5 +
Petal some measurement
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Phenology
Flowering May–Aug. +
Publication title
in W. H. Brewer et al., Bot. California +
Publication year
1876 +
Reference
chambers1963a +
Rhizome diameter
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Root architecture
branched +
Root shape
capillary +
Root texture
fibrous +
Seed architecture or pubescence or relief
smooth +
Seed atypical quantity
1 (6) +
Seed coloration
black +
Seed density
dispersed +
Seed quantity
6 +
Seed reflectance
shiny +
Seed relief
smooth +  and tuberculate +
Seed shape
rounded +
Seed some measurement
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
Sepal architecture or shape
leaflike +
Sepal duration
persistent +
Sepal quantity
2;9 +
Sepal size
unequal +
Sepal some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V4/V4 935.xml +
Special status
Endemic +
Stamen arrangement
opposite +
Stamen fusion
adnate +
Stamen quantity
5 +
Stem location
aerial +
Stem orientation
decumbent +  and erect +
Stem some measurement
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Stems tuber location
subterranean +
Stigma quantity
3 +
Style architecture
branched +
Style presence
absent +
Style quantity
1 +
Synonyms
Montia nevadensis +
Taxon family
Portulacaceae +
Taxon name
Claytonia nevadensis +
Taxon parent
Claytonia +
Taxon rank
species +
Valve duration
not deciduous +
Volume
Volume 4 +
Whole organism architecture
rhizomatous +
Whole organism duration
perennial +
Whole organism growth form
plant +
Whole organism texture
fleshy +  and succulent +
X chromosome quantity
8 +, 7 +, 6 +  and 5 +