Allium tricoccum var. burdickii

Hanes

Rhodora 55: 243. 1953.

Endemic
Synonyms: Allium burdickii (Hanes) A. G. Jones
Treatment appears in FNA Volume 26. Treatment on page 234.

Bulbs mostly 2–4 (–5) × 1–1.5 cm. Leaf-blade (1.5–) 2–4 (–4.5) cm wide, scarcely petiolate or less strongly so than in var. tricoccum, sheaths and petioles not anthocyanous. Scape (10–) 13–16 (–18) cm. Umbel (6–) 12–18 (–24) -flowered; spathe bracts 1–2 cm. 2n = 16.


Phenology: Flowering early Jun.
Habitat: Dry soil in upland woods
Elevation: 0–1800 m

Distribution

V26 396-distribution-map.jpg

Ont., Que., Ala., Ga., Ill., Ind., Iowa, Ky., Maine, Mich., Minn., Mo., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Pa., S.Dak., Tenn., Vt., Va., W.Va., Wis.

Discussion

Allium tricoccum var. burdickii is apparently rare in the eastern part of its range and in the Ozark Plateau region.

With its overlapping characteristics and distribution, Allium tricoccum var. burdickii is doubtfully separate from var. tricoccum.

Selected References

None.

Lower Taxa

None.

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

white +  and light yellow +
versatile +  and dorsifixed +
cordate +  and linear +
obtuse +  and acute +
Dale W. McNeal Jr. +  and T. D. Jacobsen +
whorled +, opposite +  and alternate +
dilated +
30 cm300 mm <br />0.3 m <br /> (40 cm400 mm <br />0.4 m <br />) +
straight +
20 cm200 mm <br />0.2 m <br /> (30 cm300 mm <br />0.3 m <br />) +
tapering +, elliptic +  and elliptic-lanceolate +
1.5 cm15 mm <br />0.015 m <br /> (9 cm90 mm <br />0.09 m <br />) +
conspicuous +
1;several +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
2cm +  and 4cm +
2 +  and 6 +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
brownish;grayish +
roughened +  and smooth +
Ont. +, Que. +, Ala. +, Ga. +, Ill. +, Ind. +, Iowa +, Ky. +, Maine +, Mich. +, Minn. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Pa. +, S.Dak. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
0–1800 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
campanulate +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
loculicidal +
membranaceous +  and leathery +
Dry soil in upland woods +
paired +, paniculate +  and racemose +
ephemeral +
gray +  and brown +
crested;3-lobed +
many;several +
spreading +  and erect +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
membranous +
zygomorphic +  and actinomorphic +
Flowering early Jun. +
16 cm160 mm <br />0.16 m <br /> (18 cm180 mm <br />0.18 m <br />) +
flexuous +
persistent +
10cm +  and 40cm +
13 cm130 mm <br />0.13 m <br /> (16 cm160 mm <br />0.16 m <br />) +
2mm +  and 4mm +
wind-distributed +
1 +  and many +
obovoid +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
adnate +  and free +
epipetalous +
1 +  and several +
Allium burdickii +
Allium tricoccum var. burdickii +
Allium tricoccum +
variety +
white;cream or yellowish +
persisting +
distinct +
not withering +
oblong +  and ovate +
equaling +  and equal +
sepaloid +  and petaloid +
narrower +
(6-)12-18(-24)-flowered +
persistent +
obconic;more or less hemispheric +
9 +, 8 +  and 7 +