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Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty

Henderson's claytonia, sand claytonia, sand springbeauty, Snake Canyon springbeauty

Habit Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. Plants annual, with minute, tuberous body; periderm absent.
Stems

2–15 cm.

2–10 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.

basal leaf blades linear to narrowly lanceolate, 1–5 × 0.05–0.2 cm;

cauline leaves sessile, blade linear, 1–3 cm.

Inflorescences

multibracteate, rarely 1-bracteate;

proximalmost bract leaflike, distal bracts reduced to membranous scales.

multi-bracteate;

proximalmost bract 5–10 mm, leaflike, distal bracts 1 mm or less, reduced to membranous scales.

Flowers

8–14 mm diam.;

sepals 3–5 mm;

petals pink, rose, or magenta, 8–10 mm;

ovules 6.

10–12 mm diam.;

sepals 1.5–2.5 mm;

petals white, pink, or candy-striped, 6–10 mm;

ovules 6.

Seeds

2–3 mm, shiny and smooth;

elaiosome 1–2 mm.

(1–)6, 1–2 mm, shiny and smooth;

elaiosome 1 mm or less.

2n

= 16.

= 12.

Claytonia rosea

Claytonia arenicola

Phenology Flowering Feb–May. Flowering early Mar.
Habitat Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts Selaginella mats and crevices of cliffs and rock faces in Great Basin sagebrush and ponderosa pine belt
Elevation 800-2400 m (2600-7900 ft) 200-1200 m (700-3900 ft)
Distribution
from FNA
AZ; CO; NM; UT; Mexico
[WildflowerSearch map]
from FNA
ID; MT; OR; WA
[WildflowerSearch map]
[BONAP county map]
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 4, p. 472. FNA vol. 4, p. 467.
Parent taxa Portulacaceae > Claytonia Portulacaceae > Claytonia
Sibling taxa
C. acutifolia, C. arctica, C. arenicola, C. caroliniana, C. cordifolia, C. exigua, C. gypsophiloides, C. lanceolata, C. megarhiza, C. multiscapa, C. nevadensis, C. ogilviensis, C. palustris, C. parviflora, C. perfoliata, C. rubra, C. sarmentosa, C. saxosa, C. scammaniana, C. sibirica, C. tuberosa, C. umbellata, C. virginica, C. washingtoniana
C. acutifolia, C. arctica, C. caroliniana, C. cordifolia, C. exigua, C. gypsophiloides, C. lanceolata, C. megarhiza, C. multiscapa, C. nevadensis, C. ogilviensis, C. palustris, C. parviflora, C. perfoliata, C. rosea, C. rubra, C. sarmentosa, C. saxosa, C. scammaniana, C. sibirica, C. tuberosa, C. umbellata, C. virginica, C. washingtoniana
Synonyms C. lanceolata var. rosea Montia arenicola
Name authority Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) L. F. Henderson: Bull. Torrey Bot. Club 22: 49. (1895)
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