Flora of North America species comparison

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Claytonia rosea

Claytonia saxosa

Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty

Brandegee's claytonia, Brandegee's Spring beauty
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.

1–4 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 sessile, blade broadly spatulate, 0.5–3 × 0.5–1 cm;

cauline leaves sessile, blade spatulate, 0.2–1 × 0.2–0.5 cm.
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.

10–15 mm diam., pinkish to magenta;

sepals 2–3 mm;

petals 6–10 mm;

ovules 3.
Seeds

2–3 mm, shiny and smooth;

elaiosome 1–2 mm.

1–2 mm, tuberculate;

elaiosome inserted in wide notch of seed coat, 0.5 mm.
2n

= 16.

= 16.

Claytonia rosea

Claytonia saxosa
Phenology Flowering Feb–May. Flowering early spring.
Habitat Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts Serpentine balds, rock outcrops
Elevation 800-2400 m (2600-7900 ft) 500-2000 m (1600-6600 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.)

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 472. FNA vol. 4, p. 474.
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. scammaniana, C. sibirica, C. tuberosa, C. umbellata, C. virginica, C. washingtoniana
Synonyms C. lanceolata var. rosea Montia saxosa
Name authority Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) Brandegee: Zo ë 4: 150. (1893)
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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