Erythronium umbilicatum

C. R. Parks & Hardin

Brittonia 15: 252. 1963.

Common names: Dimpled trout-lily
IllustratedEndemic
Treatment appears in FNA Volume 26. Treatment on page 162. Mentioned on page 154.

Bulbs ovoid, 10–25 mm; stolons absent, or 1 per bulb on 1-leaved plants. Leaves 5–17 cm; blade green, irregularly mottled, elliptic to ovatelanceolate, ± flat, not glaucous, margins entire. Scape 4–18 cm. Inflorescences 1-flowered. Flowers: tepals strongly reflexed at anthesis, yellow, sometimes with brownish adaxial spots, variously tinged brown-purple abaxially, lanceolate, 13–30 mm, auricles absent; stamens 9–18 mm; filaments yellow, lanceolate; anthers brown, purple, or infrequently yellow; pollen brown, purple, or infrequently yellow; ovary apex indented; style deciduous or forming small apiculum, ± terete, not yellow, 8–24 mm; stigma lobes spreading, 1.2–1.7 mm. Capsules ± resting on ground due to reclining peduncle, obovoid, 10–22 mm, apex indented, umbilicate, or rarely rounded. 2n = 24.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Stolons absent; West Virginia to Alabama, Georgia, and n Florida. Erythronium umbilicatum subsp. umbilicatum
1 Stolons present, 1 per bulb; North Carolina, Tennessee. Erythronium umbilicatum subsp. monostolum

"thicker" is not a number.

... more about "Erythronium umbilicatum"
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 />) +
Dimpled trout-lily +
s and e United States +
lanceolate +
sessile +  and pedicellate +
erect +  and nodding +
unisexual +  and bisexual +
indehiscent +, septicidal +  and loculicidal +
obovoid +  and oblong +
membranaceous +  and leathery +
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 +
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 +
Illustrated +  and Endemic +
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 +
Erythronium +
species +
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 +