Flora of North America species comparison

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Claytonia rosea

Claytonia umbellata

Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty

Great Basin claytonia, Great Basin springbeauty, umbellate springbeauty
Habit Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. Plants perennial, with globose tubers 10–50 mm diam., mature plants rhizomatous; periderm 5–20 mm.
Stems

2–15 cm.

2–25 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 leaves somtimes absent, petiolate, 5–25 cm, blade elliptic to rhombic, 1–3 × 0.2–2 cm;

cauline leaves petiolate, blade elliptic to ovate 1.5–5 × 1–3 cm, abruptly tapered at base.
Inflorescences

multibracteate, rarely 1-bracteate;

proximalmost bract leaflike, distal bracts reduced to membranous scales.

ebracteate.
Flowers

8–14 mm diam.;

sepals 3–5 mm;

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

ovules 6.

8–14 mm diam.;

sepals 5–7 mm;

petals pink to magenta, 6–12 mm;

ovules 6.
Seeds

2–3 mm, shiny and smooth;

elaiosome 1–2 mm.

1–2 mm, smooth and shiny;

elaiosome 1 mm or less.
2n

= 16.

= 16.

Claytonia rosea

Claytonia umbellata
Phenology Flowering Feb–May. Flowering May–Aug.
Habitat Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts North- and east-facing talus and scree slopes of drier mountain areas, subalpine coniferous forests
Elevation 800-2400 m (2600-7900 ft) 100-3000 m (300-9800 ft)
Distribution
from FNA
AZ; CO; NM; UT; Mexico
[WildflowerSearch map]
from FNA
CA; OR
[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.)

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 472. FNA vol. 4, p. 475.
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. 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. virginica, C. washingtoniana
Synonyms C. lanceolata var. rosea
Name authority Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) S. Watson: Botany (Fortieth Parallel), 43, plate 6, figs. 4, 5. (1871)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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