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lanceleaf spring-beauty, western spring-beauty

Coast Range claytonia, gypsum spring beauty

Habit Plants perennial, with globose tubers 5–20 mm diam.; periderm 1–5 mm. Plants annual, with minute, tuberous bodies; periderm absent.
Stems

1–10 cm.

5–15 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.

blades gray, beige, or pink, glaucous;

basal blades linear (almost filiform), 3–12 × 0.05–0.1 cm;

cauline leaves sessile, blades distinct and spatulate or partially connate into horn shape, 0.2–1.5 cm, or perfoliate, 0.2–1.5 cm wide.

Inflorescences

1-bracteate (rarely with 2 bracts).

1-bracteate;

bract leaflike, 0.5–15 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.

6–12 mm diam.;

sepals 2–3 mm;

petals pink or white, 6–10 mm;

ovules 3.

Seeds

2–2.5 mm diam., shiny and smooth;

elaiosome 1–2 mm.

1–2 mm diam., tuberculate;

elaiosome 0.5–1 mm.

2n

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

= 16.

Claytonia lanceolata

Claytonia gypsophiloides

Phenology Flowering Apr–Jul. Flowering Feb–May.
Habitat Sagebrush and montane foothills to alpine areas, particularly where snow persists Moist areas on serpentine in open glades or slopes of chaparral and foothill pine woodlands
Elevation 500-3000 m (1600-9800 ft) 100-1200 m (300-3900 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
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[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. 468.
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. 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. nubigena, Montia gypsophiloides, Montia perfoliata var. nubigena
Name authority Pursh: Fl. Amer. Sept. 1: 175, plate 3. (1814) Fischer & C. A. Meyer: Index Seminum (St. Petersburg) 2: 33. (1835)
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