Allium canadense

Linnaeus

Sp. Pl. 2: 1195. 1753.

IllustratedEndemic
Treatment appears in FNA Volume 26. Treatment on page 235. Mentioned on page 226, 227.

Bulbs 1–4+, without rhizome, with or without basal bulbels, often clustered, ovoid, 1–2.5 × 0.6–3 cm; outer coats enclosing 1 or more bulbs, brownish or grayish, reticulate, cells fine-meshed, open, fibrous; inner coats whitish, cells vertically elongate, sometimes contorted, walls straight or ± sinuous. Leaves persistent, green at anthesis, 2–6, basally sheathing, sheaths extending less than 1/4 scape; blade solid, flat, channeled, not carinate, 20–50 cm × 1–7 mm, margins entire or denticulate, apex acute to obtuse. Scape persistent, usually solitary, erect, terete, 10–60 cm × 1–5 mm. Umbel persistent, erect, loose, 0–60-flowered, hemispheric to globose, bulbils unknown or flowering pedicels replaced at least in part by bulbils; spathe bracts persistent, 3–4, 3–7-veined, ovate to lanceolate, ± equal, apex acuminate, beakless. Flowers urceolate-campanulate, 4–8 mm; tepals erect or spreading, white to pink or lavender, lanceolate to elliptic, ± equal, withering in fruit and exposing capsule, midribs somewhat thickened, margins entire, apex obtuse to acute; stamens included; anthers yellow; pollen yellow; ovary, when present, crestless; style linear, ± equaling stamens; stigma capitate, unlobed or obscurely 3-lobed; pedicel 8–70 mm. Seed-coat shining; cells each with minute, central papilla.

Discussion

Varieties 6 (6 in the flora).

Selected References

None.

Key

1 Flowering pedicels mostly or entirely replaced by bulbils, rarely producing capsules or seeds. Allium canadense var. canadense
1 Flowering pedicels all floriferous, bulbils almost unknown, producing capsules and seeds. > 2
2 Tepals usually white. Allium canadense var. fraseri
2 Tepals pinkish to lilac. > 3
3 Pedicels filiform; scape 10–30(–50) cm. Allium canadense var. mobilense
3 Pedicels stouter, not filiform; scape 10–60 cm. > 4
4 Umbels 5–25-flowered; pedicels 3–4 times flowers; tepals thick. Allium canadense var. ecristatum
4 Umbels usually more than 25-flowered; pedicels 2–5 times flowers; tepals thin. > 5
5 Flowers fragrant; scape 15–30 cm; nc Texas to s Oklahoma. Allium canadense var. hyacinthoides
5 Flowers odorless; scape 20–60 cm; n Oklahoma to n Arkansas, northward. Allium canadense var. lavendulare

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

... more about "Allium canadense"
versatile +  and dorsifixed +
cordate +  and linear +
Obtuse (?) +  and Acute (?) +
Dale W. McNeal Jr. +  and T. D. Jacobsen +
Linnaeus +
whorled +, opposite +  and alternate +
dilated +
straight +
20 cm200 mm <br />0.2 m <br /> (50 cm500 mm <br />0.5 m <br />) +
not carinate +  and channeled +
1mm;7mm +
conspicuous +
1cm +  and 2.5cm +
1 +  and 4 +
0.6 cm6 mm <br />0.006 m <br /> (3 cm30 mm <br />0.03 m <br />) +
grayish;brownish +
roughened +  and smooth +
elongate +
North America +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
loculicidal +
membranaceous +  and leathery +
paired +, paniculate +  and racemose +
persistent +
denticulate +  and entire +
open +  and fine-meshed +
gray +  and brown +
crested;3-lobed +
many;several +
spreading +  and erect +
0.8 cm8 mm <br />0.008 m <br /> (7 cm70 mm <br />0.07 m <br />) +
membranous +
zygomorphic +  and actinomorphic +
persistent +
10cm +  and 60cm +
1mm +  and 5mm +
wind-distributed +
1 +  and many +
obovoid +
W2 +, W1 +, Illustrated +  and Endemic +
adnate +  and free +
1 +  and several +
3-lobed +, unlobed +  and capitate +
Allium canadense +
species +
white;pink or lavender +
persisting +
distinct +
spreading +  and erect +
lanceolate +  and elliptic +
sepaloid +  and petaloid +
narrower +
0-60-flowered +
persistent +
sinuous +  and straight +
9 +, 8 +  and 7 +