Claytonia arenicola

L. F. Henderson

Bull. Torrey Bot. Club 22: 49. 1895.

Common names: Henderson’s claytonia
Endemic
Synonyms: Montia arenicola (L. F. Henderson) Howell
Treatment appears in FNA Volume 4. Treatment on page 467. Mentioned on page 465.

Plants annual, with minute, tuberous body; periderm absent. Stems 2–10 cm. Leaves: basal leaf-blades linear to narrowly lanceolate, 1–5 × 0.05–0.2 cm; cauline leaves sessile, blade linear, 1–3 cm. Inflorescences multibracteate; proximalmost bract 5–10 mm, leaflike, distal bracts 1 mm or less, reduced to membranous scales. Flowers 10–12 mm diam.; sepals 1.5–2.5 mm; petals white, pink, or candy-striped, 6–10 mm; ovules 6. Seeds (1–) 6, 1–2 mm, shiny and smooth; elaiosome 1 mm or less. 2n = 12.


Phenology: Flowering early Mar.
Habitat: Selaginella mats and crevices of cliffs and rock faces in Great Basin sagebrush and ponderosa pine belt
Elevation: 200-1200 m

Distribution

V4 925-distribution-map.gif

Idaho, Mont., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.

"less" is not a number.

... more about "Claytonia arenicola"
obtuse +  and apiculate +
John M. Miller +
L. F. Henderson +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
occasionally dentate;crisped +
linear +  and ovate +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
minute +
scale-like +
membranous +
whorled +  and opposite +
connate +, or +  and distinct +
3 (?) +  and 2 (?) +
Henderson’s claytonia +
Idaho +, Mont. +, Oreg. +  and Wash. +
200-1200 m +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Selaginella mats and crevices of cliffs and rock faces in Great Basin sagebrush and ponderosa pine belt +
terminal +  and axillary +
not articulate +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
plurilocular +
globose +
candy-striped +, pink +  and white +
connate +  and distinct +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering early Mar. +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Bull. Torrey Bot. Club +
capillary +
membranous +
dispersed +
smooth +  and tuberculate +
rounded +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.2 cm2 mm <br />0.002 m <br /> (?) +
persistent +
unequal +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
decumbent +  and erect +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Montia arenicola +
Claytonia arenicola +
Claytonia +
species +
not deciduous +
fleshy +  and succulent +
8 +, 7 +, 6 +  and 5 +