Erythronium grandiflorum subsp. grandiflorum

Endemic
Synonyms: Erythronium giganteum Lindley Erythronium grandiflorum var. chrysandrum (Piper) Abrams Erythronium grandiflorum var. nudipetalum (Applegate) C. L. Hitchcock Erythronium grandiflorum var. pallidum H. St. John Erythronium nudipetalum Erythronium parviflorum
Treatment appears in FNA Volume 26. Treatment on page 156.

Flowers: tepals bright-yellow, with narrow pale zone at base; anthers cream, yellow, red, or purplish red.


Phenology: Flowering spring–summer (Apr–Jul, depending on elevation).
Habitat: Widespread from lowlands to the subalpine, in open woodlands, grasslands, and subalpine meadows (where it is sometimes extremely abundant)
Elevation: 200–3100 m

Distribution

V26 251-distribution-map.jpg

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

Discussion

Selected References

None.

Lower Taxa

None.

"broad" is not a number."thicker" is not a number.

purplish red +, red +, yellow +  and cream +
versatile +  and dorsifixed +
cordate +  and linear +
loculicidal +
umbilicate +, truncate +  and rounded +
Geraldine A. Allen +  and Kenneth R. Robertson +
whorled +, opposite +  and alternate +
narrowed +
reticulate-veined +  and parallel-veined +
lanceolate +
6 cm60 mm <br />0.06 m <br /> (60 cm600 mm <br />0.6 m <br />) +
sheathing +  and involucrate +
1;several +
tunicate +  and scaly +
additional +
slender +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
oblong +  and narrowly obovoid +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Alta. +, B.C. +, Calif. +, Colo. +, Idaho +, Mont. +, N.Mex. +, Oreg. +, Utah +, Wash. +  and Wyo. +
200–3100 m +
connate-coroniform +  and dilated +
0mm +  and 0.8mm +
sessile +  and pedicellate +
erect +  and nodding +
unisexual +  and bisexual +
indehiscent +, septicidal +  and loculicidal +
obovoid +  and oblong +
membranaceous +  and leathery +
Widespread from lowlands to the subalpine, in open woodlands, grasslands, and subalpine meadows (where it is sometimes extremely abundant) +
up +  and 5-flowered +
persistent +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
slender +
many;several +
zygomorphic +  and actinomorphic +
Flowering spring–summer (Apr–Jul, depending on elevation). +
red +  and yellow +
Fl. Amer. Sept. +
reddish +  and green +
elongating +
5 cm50 mm <br />0.05 m <br /> (30 cm300 mm <br />0.3 m <br />) +
wind-distributed +
1 +  and many +
many +  and few +
more sparingly without than those extensive vegetative reproduction +
adnate +  and free +
staminodial +
1.1 cm11 mm <br />0.011 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
1 +  and several +
with slender , recurved lobes +  and unlobed +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Erythronium giganteum +, Erythronium grandiflorum var. chrysandrum +, Erythronium grandiflorum var. nudipetalum +, Erythronium grandiflorum var. pallidum +, Erythronium nudipetalum +  and Erythronium parviflorum +
Erythronium grandiflorum subsp. grandiflorum +
Erythronium grandiflorum +
subspecies +
bright-yellow +
distinct +
2 cm20 mm <br />0.02 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
sepaloid +  and petaloid +
narrower +
lanceolate;ovate +
3 +  and 2 +