Flora of North America species comparison

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Claytonia lanceolata

Claytonia cordifolia

lanceleaf spring-beauty, western spring-beauty

broad leaf springbeauty, cordate-leaf spring beauty, heart-leaf spring-beauty
Habit Plants perennial, with globose tubers 5–20 mm diam.; periderm 1–5 mm. Plants perennial, rhizomatous; rhizomes 4–8 mm diam.; periderm absent.
Stems

1–10 cm.

5–30 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.

basal leaves petiolate, blade ovate to deltate or cordate, 2–7 × 1–5 cm;

cauline leaves sessile, blade ovate, 1–4 cm.
Inflorescences

1-bracteate (rarely with 2 bracts).

ebracteate.
Flowers

8–14 mm diam.;

sepals 4–6 mm;

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

ovules 6.

10–15 mm diam.;

sepals 4–8 mm;

petals white, 8–12 mm;

ovules 6.
Seeds

2–2.5 mm diam., shiny and smooth;

elaiosome 1–2 mm.

(1–)6, 1–2 mm diam., shiny and smooth;

elaiosome 1 mm or less.
2n

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

= 10, 20.

Claytonia lanceolata

Claytonia cordifolia
Phenology Flowering Apr–Jul. Flowering May–Sep.
Habitat Sagebrush and montane foothills to alpine areas, particularly where snow persists Meadows, seeps
Elevation 500-3000 m (1600-9800 ft) 500-2000 m (1600-6600 ft)
Distribution
from FNA
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC; SK
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; ID; MT; NV; OR; UT; WA; BC
[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. FNA vol. 4.
Parent taxa Portulacaceae > Claytonia 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
C. acutifolia, C. arctica, C. arenicola, C. caroliniana, 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. caroliniana var. peirsonii, C. lanceolata subsp. chrysantha, C. lanceolata var. idahoensis, C. lanceolata var. peirsonii, C. sessilifolia C. sibirica var. cordifolia, Montia cordifolia
Name authority Pursh: Fl. Amer. Sept. 1: 175, plate 3. (1814) S. Watson: Proc. Amer. Acad. Arts 17: 365. (1882)
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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