Claytonia rosea

Rydberg

Bull. Torrey Bot. Club 31: 404. 1904.

Common names: Rocky Mountain spring beauty
Synonyms: Claytonia lanceolata var. rosea (Rydberg) R. J. Davis
Treatment appears in FNA Volume 4. Treatment on page 472. Mentioned on page 466, 469.

Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. Stems 2–15 cm. Leaves: basal leaves sometimes absent, petiolate, blade linear to narrowly spatulate, 1–7 × 0.4–2 cm, apex acute to obtuse; cauline leaves petiolate, blade linear, 2–5 cm, apex acute to obtuse. Inflorescences multibracteate, rarely 1-bracteate; proximalmost bract leaflike, distal bracts reduced to membranous scales. Flowers 8–14 mm diam.; sepals 3–5 mm; petals pink, rose, or magenta, 8–10 mm; ovules 6. Seeds 2–3 mm, shiny and smooth; elaiosome 1–2 mm. 2n = 16.


Phenology: Flowering Feb–May.
Habitat: Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts
Elevation: 800-2400 m

Distribution

V4 947-distribution-map.gif

Ariz., Colo., N.Mex., Utah, Mexico

Discussion

Claytonia rosea is morphologically distinct from C. lanceolata based on early cytological and ecological study of the two species by D. K. Halleck and D. Wiens (1966) and the author’s review of type material.

Selected References

None.

Lower Taxa

None.
... more about "Claytonia rosea"
acute +  and obtuse +
John M. Miller +
Rydberg +
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
occasionally dentate;crisped +
linear +  and narrowly spatulate +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 2 cm20 mm <br />0.02 m <br /> (?) +
scale-like +
membranous +
whorled +  and opposite +
connate +, or +  and distinct +
3 (?) +  and 2 (?) +
Rocky Mountain spring beauty +
Ariz. +, Colo. +, N.Mex. +, Utah +  and Mexico +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
800-2400 m +
0.8 cm8 mm <br />0.008 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts +
1-bracteate +  and multibracteate +
terminal +  and axillary +
not articulate +
subrosulate +, rosulate +, alternate +, subopposite +  and opposite +
cauline +  and basal +
plurilocular +
globose +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
magenta +, rose +  and pink +
connate +  and distinct +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering Feb–May. +
Bull. Torrey Bot. Club +
capillary +
membranous +
dispersed +
3 +  and 6 +
smooth +  and tuberculate +
rounded +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
persistent +
unequal +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
decumbent +  and erect +
2 cm20 mm <br />0.02 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Claytonia lanceolata var. rosea +
Claytonia rosea +
Claytonia +
species +
globose +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
not deciduous +
fleshy +  and succulent +
8 +, 7 +, 6 +  and 5 +