Erythronium americanum subsp. harperi

(W. Wolf) C. R. Parks & Hardin

Brittonia 15: 252. 1963.

Common names: Harper’s trout-lily
Endemic
Basionym: Erythronium harperi W. Wolf Castanea 6: 24. 1941
Treatment appears in FNA Volume 26. Treatment on page 161.

Style ± terete or slightly swollen distally; stigma lobes recurved, distinctly grooved distally. Capsules: apex distinctly apiculate. 2n = 48.


Phenology: Flowering spring.
Habitat: Wooded slopes, ravines
Elevation: 0–300 m

Discussion

C. R. Parks and J. W. Hardin (1963) indicated that subsp. harperi may represent merely a southern race of E. americanum, but that the transition seems to be more abrupt than expected in a cline.

Selected References

None.

Lower Taxa

None.

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

lavender +, chestnut-brown +  and yellow +
versatile +  and dorsifixed +
cordate +  and linear +
loculicidal +
rounded +  and obovoid +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Geraldine A. Allen +  and Kenneth R. Robertson +
(W. Wolf) C. R. Parks & Hardin +
whorled +, opposite +  and alternate +
greenish yellow +
terete +  and swollen +
0.5 cm5 mm <br />0.005 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
Erythronium harperi +
reticulate-veined +  and parallel-veined +
mottled +  and green +
elliptic-lanceolate +  and ovate or elliptic +
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 +
1.5 cm15 mm <br />0.015 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
apiculate +  and truncate +
at-least +  and erect +
Harper’s trout-lily +
Ala. +, Ga. +, Miss. +  and Tenn. +
0–300 m +
lanceolate +
sessile +  and pedicellate +
erect +  and nodding +
unisexual +  and bisexual +
indehiscent +, septicidal +  and loculicidal +
obovoid +  and oblong +
membranaceous +  and leathery +
Wooded slopes, ravines +
persistent +
8 cm80 mm <br />0.08 m <br /> (23 cm230 mm <br />0.23 m <br />) +
recurved +  and erect +
many;several +
zygomorphic +  and actinomorphic +
Flowering spring. +
brown +  and yellow +
reddish +  and green +
elongating +
10 cm100 mm <br />0.1 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 +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (?) +
1 +  and several +
3-lobed +  and unlobed +
common;1;3 +
deciduous +
swollen +  and terete +
Erythronium americanum subsp. harperi +
Erythronium americanum +
subspecies +
reddish dots;tinged light;dark purple-red +
distinct +
lanceolate +
2 cm20 mm <br />0.02 m <br /> (3.3 cm33 mm <br />0.033 m <br />) +
sepaloid +  and petaloid +
narrower +
lanceolate;ovate +
3 +  and 2 +