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lanceleaf spring-beauty, western spring-beauty

jonesville springbeauty, marsh claytonia

Habit Plants perennial, with globose tubers 5–20 mm diam.; periderm 1–5 mm. Plants perennial, rhizomatous, stoloniferous; periderm absent.
Stems

1–10 cm.

10–60 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, 8–30 cm, blade oblanceolate, 6–12 × 0.1–1 cm;

cauline leaves distinctly petiolate, unequal, blade linear to spatulate, 3–15 cm.

Inflorescences

1-bracteate (rarely with 2 bracts).

multi-bracteate;

bracts 3–10 mm.

Flowers

8–14 mm diam.;

sepals 4–6 mm;

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

ovules 6.

8–14 mm diam.;

sepals 4–6 mm;

petals candy-striped, white, or pink, 6–10 mm;

ovules 6.

Seeds

2–2.5 mm diam., shiny and smooth;

elaiosome 1–2 mm.

(1–)3, 2–3 mm diam., shiny and smooth;

elaiosome 1–2 mm.

2n

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

= 12.

Claytonia lanceolata

Claytonia palustris

Phenology Flowering Apr–Jul. Flowering May–Aug.
Habitat Sagebrush and montane foothills to alpine areas, particularly where snow persists Meadows, springs, seeps, moist stream banks
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
[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, p. 470.
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. cordifolia, C. exigua, C. gypsophiloides, C. lanceolata, C. megarhiza, C. multiscapa, C. nevadensis, C. ogilviensis, 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) Swanson & Kelley: Mad roño 34: 155, figs. 1, 2. (1987)
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