Claytonia lanceolata

Pursh
Fl. Amer. Sept. 1: 175, plate 3. 1814.
Common names: Western spring beauty
Endemic
Basionym: Claytonia lanceolata subsp. chrysantha (Greene) Ferris C. lanceolata var. chrysantha (Greene) C. L. Hitchcock
Synonyms: Claytonia caroliniana var. peirsonii (Munz & I. M. Johnston) B. Boivin Claytonia lanceolata var. idahoensis R. J. Davis Claytonia lanceolata var. peirsonii Munz & I. M. Johnston Claytonia sessilifolia
Treatment appears in FNA Volume 4. Treatment on page 469. Mentioned on page 466, 470.

Plants perennial, with globose tubers 5–20 mm diam.; periderm 1–5 mm. Stems 1–10 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. Inflorescences 1-bracteate (rarely with 2 bracts). Flowers 8–14 mm diam.; sepals 4–6 mm; petals white to pink, rose, magenta, yellow, or deep orange, 5–20 mm; ovules 6. Seeds 2–2.5 mm diam., shiny and smooth; elaiosome 1–2 mm. 2n = 12, 16, 24, 32, 36, 44, 48, 52, 64, 74, ca. 90.


Phenology: Flowering Apr–Jul.
Habitat: Sagebrush and montane foothills to alpine areas, particularly where snow persists
Elevation: 500-3000 m

Distribution

V4 932-distribution-map.gif

Alta., B.C., Sask., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.

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.

Lower Taxa

None.

... more about "Claytonia lanceolata"
John M. Miller +
Claytonia lanceolata subsp. chrysantha +
Western spring beauty +
Alta. +, B.C. +, Sask. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Utah +, Wash. +  and Wyo. +
500-3000 m +
Sagebrush and montane foothills to alpine areas, particularly where snow persists +
Flowering Apr–Jul. +
Fl. Amer. Sept. +
douglas1972a +  and stewart1971a +
Claytonia caroliniana var. peirsonii +, Claytonia lanceolata var. idahoensis +, Claytonia lanceolata var. peirsonii +  and Claytonia sessilifolia +
Claytonia lanceolata +
Claytonia +
species +