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Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty

Coast Range claytonia, gypsum spring beauty

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

2–15 cm.

5–15 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.

blades gray, beige, or pink, glaucous;

basal blades linear (almost filiform), 3–12 × 0.05–0.1 cm;

cauline leaves sessile, blades distinct and spatulate or partially connate into horn shape, 0.2–1.5 cm, or perfoliate, 0.2–1.5 cm wide.

Inflorescences

multibracteate, rarely 1-bracteate;

proximalmost bract leaflike, distal bracts reduced to membranous scales.

1-bracteate;

bract leaflike, 0.5–15 mm.

Flowers

8–14 mm diam.;

sepals 3–5 mm;

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

ovules 6.

6–12 mm diam.;

sepals 2–3 mm;

petals pink or white, 6–10 mm;

ovules 3.

Seeds

2–3 mm, shiny and smooth;

elaiosome 1–2 mm.

1–2 mm diam., tuberculate;

elaiosome 0.5–1 mm.

2n

= 16.

= 16.

Claytonia rosea

Claytonia gypsophiloides

Phenology Flowering Feb–May. Flowering Feb–May.
Habitat Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts Moist areas on serpentine in open glades or slopes of chaparral and foothill pine woodlands
Elevation 800-2400 m (2600-7900 ft) 100-1200 m (300-3900 ft)
Distribution
from FNA
AZ; CO; NM; UT; Mexico
[WildflowerSearch map]
from FNA
CA
[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. 468.
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. arenicola, C. caroliniana, C. cordifolia, C. exigua, 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 C. nubigena, Montia gypsophiloides, Montia perfoliata var. nubigena
Name authority Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) Fischer & C. A. Meyer: Index Seminum (St. Petersburg) 2: 33. (1835)
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