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lanceleaf spring-beauty, western spring-beauty

Scamman's claytoni a, Scamman's springbeauty

Habit Plants perennial, with globose tubers 5–20 mm diam.; periderm 1–5 mm. Plants perennial, rhizomatous; rhizomes 0.5–3 mm diam.
Stems

1–10 cm.

4–10 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.

basal leaves petiolate, sheathing at base, blade linear or oblong to narrowly spatulate, 1–10 × 0.1–1 cm, tapering to elongate petiole;

cauline leaves sessile, blade narrowly lanceolate to ovate, 0.2–1.5 × 0.1–0.5 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.

10–20 mm diam.;

sepals 4–7 mm, petals pink to rich purple, 10–18 mm;

ovules 6.

Seeds

2–2.5 mm diam., shiny and smooth;

elaiosome 1–2 mm.

(1–)6, 2–3 mm, smooth, elaiosome 0.5 mm.

2n

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

= 16, ca. 40.

Claytonia lanceolata

Claytonia scammaniana

Phenology Flowering Apr–Jul. Flowering Jun–Jul.
Habitat Sagebrush and montane foothills to alpine areas, particularly where snow persists Talus and scree slopes on serpentine
Elevation 500-3000 m (1600-9800 ft) 50-2000 m (200-6600 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
AK; YT; Eurasia (Russia)
[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. 474.
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. 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 Montia scammaniana
Name authority Pursh: Fl. Amer. Sept. 1: 175, plate 3. (1814) Hultén: Bot. Not. 1939: 826. (1939)
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