Trillium erectum var. erectum

IllustratedEndemic
Treatment appears in FNA Volume 26. Treatment on page 98. Mentioned on page 97.

Petals usually dark reddish maroon to purplish, fading purple with age, sometimes cream, yellow, pale green, pink, or white (see discussion).


Phenology: Flowering spring (early–late Apr and May).
Habitat: Cool, rich, moist, neutral to acidic soils of upland deciduous forests, mixed deciduous-coniferous forests, coniferous swamp borders
Elevation: 200–700 m

Distribution

V26 100-distribution-map.jpg

N.B., N.S., Ont., Que., Conn., Del., Ga., Ill., Ind., Ky., Maine, Md., Mass., Mich., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va.

Discussion

Variety erectum is more common than var. album over much of the species range, especially above 450 m; at lower elevations in the south it is largely replaced by var. album. Plants with yellow, pale green, pink, or white petals occasionally occur throughout the range.

Selected References

None.

Lower Taxa

None.

"thin" is not a number."broad" is not a number."widest" is not a number."compressed-shortened" is not a number. "elongated" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property."thicker" is not a number.No values specified.

pale-yellow +, maroon +, dark reddish-brown +, white +  and purple +
yellow +, yellowish +, grayish maroon +  and dark maroon +
versatile +  and dorsifixed +
more or less equaling or longer +
recurving +  and erect +
cordate +  and linear +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
variable +  and equaling +
acuminate +
Frederick W. Case Jr. +
Linnaeus +
whorled +, opposite +  and alternate +
attenuate +
reticulate-veined +  and parallel-veined +
dark pigmentation +  and bright green +
mottled +  and green +
1;several +
obovate;elliptical +
tunicate +  and scaly +
thin-walled +
N.B. +, N.S. +, Ont. +, Que. +, Conn. +, Del. +, Ga. +, Ill. +, Ind. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +  and W.Va. +
yellowish +  and white +
200–700 m +
dark purple +, pinkish +  and white +
connate-coroniform +  and dilated +
ascending +  and erect +
unisexual +  and bisexual +
white-flowered +
baccate +  and capsular +
dark maroon +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
fragrant +
less globose +  and slightly pyramidal +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Cool, rich, moist, neutral to acidic soils of upland deciduous forests, mixed deciduous-coniferous forests, coniferous swamp borders +
paired +, paniculate +  and racemose +
persistent +
dark purple +  and maroon +
6-angled;elliptic;globose +
many;several +
recurved +, declined +  and erect +
1 cm10 mm <br />0.01 m <br /> (10 cm100 mm <br />0.1 m <br />) +
white +, pink +, pale green +, yellow +, cream +, fading purple +, maroon +  and purplish +
distinct +
clawed;obovate;linear +
heavy-textured +
Flowering spring (early–late Apr and May). +
parietal +  and axile +
6-lobed +  and 3-lobed +
branched +, unbranched +  and monopodial +
subterranean +
semierect +  and horizontal +
praemorse +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
straight +
erect +  and arising +
wind-distributed +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
alternating +
dark maroon +, overlain with maroon +, streaked +  and green +
persistent +
distinct +
ovate +, ovatelanceolate +, lanceolate +, flat +  and lanceolate-acuminate +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Illustrated +  and Endemic +
divergent +  and alternating +
adnate +  and free +
erect +  and slightly recurved +
staminodial +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
with very short style +, sessile +  and twisted +
dark purple +
persistent +
less length of ovary +  and 1/2 +
subulate +  and lobed +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
3 +  and 1 +
sessile +  and subsessile +
Trillium erectum var. erectum +
Trillium erectum +
variety +
connate +  and distinct +
sepaloid +  and petaloid +
narrower +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
broadly rhombic;ovate-rhombic +
rhizomatous +  and scapose +
3 +  and 2 +