Flora of North America species comparison

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Claytonia lanceolata

Claytonia washingtoniana

lanceleaf spring-beauty, western spring-beauty

Lake Washington claytonia, Lake Washington miner's lettuce, Lake Washington springbeauty, Suksdorf's Spring beauty, Washington spring-beauty
Habit Plants perennial, with globose tubers 5–20 mm diam.; periderm 1–5 mm. Plants annual, with minute, tuberous body; periderm absent.
Stems

1–10 cm.

3–15 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.

basal leaves petiolate, 2–30 cm, blade rhombic or ovate, 2–3 cm;

cauline leaves sessile, distinct or slightly connate on 1 side only, blade ovate, 1–3 cm.
Inflorescences

1-bracteate (rarely with 2 bracts).

multibracteate, or with 2–several bracts near base of inflorescence;

bracts leaflike, 2–10 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.

4–8 mm diam.;

sepals 2–3.5 mm;

petals pink, 3–4 mm;

ovules 3.
Seeds

2–2.5 mm diam., shiny and smooth;

elaiosome 1–2 mm.

1–2 mm diam., shiny and smooth;

elaiosome 1 mm.
2n

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

= 24.

Claytonia lanceolata

Claytonia washingtoniana
Phenology Flowering Apr–Jul. Flowering Jan–Jun.
Habitat Sagebrush and montane foothills to alpine areas, particularly where snow persists Coastal bluffs and disturbed places associated with red alder and moss mats in boulders and cliffs of moist coastal forests
Elevation 500-3000 m (1600-9800 ft) 0-500 m (0-1600 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; OR; 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.)

Claytonia washingtoniana is a fertile hybrid between C. sibirica and C. perfoliata.

of conservation concern

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 469. FNA vol. 4, p. 475.
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. palustris, C. parviflora, C. perfoliata, C. rosea, C. rubra, C. sarmentosa, C. saxosa, C. scammaniana, C. sibirica, C. tuberosa, C. umbellata, C. virginica
Synonyms C. caroliniana var. peirsonii, C. lanceolata subsp. chrysantha, C. lanceolata var. idahoensis, C. lanceolata var. peirsonii, C. sessilifolia Montia washingtoniana
Name authority Pursh: Fl. Amer. Sept. 1: 175, plate 3. (1814) (Suksdorf) Suksdorf: Werdenda 1: 10. (1923)
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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