Erythronium umbilicatum subsp. monostolum

C. R. Parks & Hardin

Brittonia 15: 254. 1963.

Endemic
Treatment appears in FNA Volume 26. Treatment on page 163. Mentioned on page 162.

Stolon 1 per bulb. 2n = 24.


Phenology: Flowering spring.
Habitat: Rich woods and slopes of high coves under either hardwoods or conifers, sometimes in open, grassy areas on peaks
Elevation: 1400–1600 m

Discussion

Within populations, nonflowering, 1-leaved plants far outnumber flowering, 2-leaved plants. Some populations form a nearly continuous ground cover.

Selected References

None.

Lower Taxa

None.

"thicker" is not a number.

yellow +, purple +  and brown +
versatile +  and dorsifixed +
cordate +  and linear +
loculicidal +
Geraldine A. Allen +  and Kenneth R. Robertson +
C. R. Parks & Hardin +
whorled +, opposite +  and alternate +
narrowed +
reticulate-veined +  and parallel-veined +
mottled +  and green +
not glaucous +
elliptic +  and ovatelanceolate +
6 cm60 mm <br />0.06 m <br /> (60 cm600 mm <br />0.6 m <br />) +
sheathing +  and involucrate +
tunicate +  and scaly +
additional +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
N.C. +  and Tenn. +
1400–1600 m +
lanceolate +
sessile +  and pedicellate +
erect +  and nodding +
unisexual +  and bisexual +
indehiscent +, septicidal +  and loculicidal +
obovoid +  and oblong +
membranaceous +  and leathery +
Rich woods and slopes of high coves under either hardwoods or conifers, sometimes in open, grassy areas on peaks +
persistent +
5 cm50 mm <br />0.05 m <br /> (17 cm170 mm <br />0.17 m <br />) +
recurved +  and erect +
many;several +
zygomorphic +  and actinomorphic +
Flowering spring. +
yellow +, purple +  and brown +
reddish +  and green +
elongating +
4 cm40 mm <br />0.04 m <br /> (18 cm180 mm <br />0.18 m <br />) +
wind-distributed +
1 +  and many +
many +  and few +
more sparingly without than those extensive vegetative reproduction +
adnate +  and free +
staminodial +
1 +  and several +
3-lobed +  and unlobed +
forming small apiculum +  and deciduous +
0.8 cm8 mm <br />0.008 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
Erythronium umbilicatum subsp. monostolum +
Erythronium umbilicatum +
subspecies +
tinged brown-purple;yellow +
distinct +
lanceolate +
1.3 cm13 mm <br />0.013 m <br /> (3 cm30 mm <br />0.03 m <br />) +
sepaloid +  and petaloid +
narrower +
lanceolate;ovate +
3 +  and 2 +