Flora of North America species comparison

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Claytonia lanceolata

lanceleaf spring-beauty, western spring-beauty
Habit Plants perennial, with globose tubers 5–20 mm diam.; periderm 1–5 mm.
Stems

1–10 cm.
Leaves

basal leaves 1–6, often absent at flowering, blade linear to lanceolate, 5–40 × 0.2–1.6 cm;

cauline leaves sessile, blade ovate to narrowly lanceolate, 1–6 × 0.5–2 cm.
Inflorescences

1-bracteate (rarely with 2 bracts).
Flowers

8–14 mm diam.;

sepals 4–6 mm;

petals white to pink, rose, magenta, yellow, or deep orange, 5–20 mm;

ovules 6.
Seeds

2–2.5 mm diam., shiny and smooth;

elaiosome 1–2 mm.
2n

= 12, 16, 24, 32, 36, 44, 48, 52, 64, 74, ca. 90.

Claytonia lanceolata
Phenology Flowering Apr–Jul.
Habitat Sagebrush and montane foothills to alpine areas, particularly where snow persists
Elevation 500-3000 m (1600-9800 ft)
Distribution
from FNA
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC; SK
[WildflowerSearch map]
[BONAP county map]
Discussion

Some differences of opinion exist regarding the relationships of Claytonia lanceolata and C. rosea. The work of D. K. Halleck and D. Wiens (1966) and J. S. Shelly et al. (1998) provides ample justification for their recognition as distinct species.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 469.
Parent taxa Portulacaceae > Claytonia
Sibling taxa
C. acutifolia, C. arctica, C. arenicola, C. caroliniana, C. cordifolia, C. exigua, C. gypsophiloides, 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. caroliniana var. peirsonii, C. lanceolata subsp. chrysantha, C. lanceolata var. idahoensis, C. lanceolata var. peirsonii, C. sessilifolia
Name authority Pursh: Fl. Amer. Sept. 1: 175, plate 3. (1814)
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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