Flora of North America species comparison

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Erythronium grandiflorum subsp. candidum

(synonym of Erythronium idahoense)

Erythronium grandiflorum subsp. grandiflorum

Idaho fawn-lily
Photo is of parent taxon

glacier-lily, yellow avalanche-lily, yellow fawn-lily, yellow glacier lily
Flowers

tepals white to creamy white, with yellow zone at base;

anthers cream to yellow.

tepals bright yellow, with narrow pale zone at base;

anthers cream, yellow, red, or purplish red.

Erythronium grandiflorum subsp. candidum

Erythronium grandiflorum subsp. grandiflorum
Phenology Flowering late spring (Apr–Jun). Flowering spring–summer (Apr–Jul, depending on elevation).
Habitat Grasslands and forest openings Widespread from lowlands to the subalpine, in open woodlands, grasslands, and subalpine meadows (where it is sometimes extremely abundant)
Elevation 500–1500 m [1600–4900 ft] 200–3100 m [700–10200 ft]
Distribution
from FNA
ID; MT; WA
from FNA
CA; CO; ID; MT; NM; OR; UT; WA; WY; AB; BC
[BONAP county map]
Source FNA vol. 26, p. 156. FNA vol. 26, p. 156.
Parent taxa Liliaceae > Erythronium > Erythronium grandiflorum Liliaceae > Erythronium > Erythronium grandiflorum
Sibling taxa
E. grandiflorum subsp. candidum, E. grandiflorum subsp. grandiflorum
E. grandiflorum subsp. candidum
Synonyms E. grandiflorum var. candidum, E. grandiflorum var. idahoense, E. idahoense E. giganteum, E. grandiflorum var. chrysandrum, E. grandiflorum var. nudipetalum, E. grandiflorum var. pallidum, E. nudipetalum, E. parviflorum
Name authority Piper: in C. V. Piper and R. K. Beattie, Fl. S.E. Washington, 61. (1914) unknown
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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