Allium geyeri |
Allium ampeloprasum |
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Geyer's onion |
elephant garlic, wild leek |
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Bulbs | 2–10+; ovoid or slightly elongate; outer coats enclosing 1 or more bulbs, reticulate; cells rather coarse-meshed; open, fibrous. |
1–3+; variable; some poorly developed; others ovoid with 1–2 large bulbs and several bulbils at base; outer coat enclosing 1 or more bulbs, membranous. |
Leaves | persistent, usually green at anthesis, usually 3–5; blades solid; more or less straight; flat, channeled; (6)12– 30 cm × 1–3(5) mm. |
withering from tips by anthesis, 6–9; blades solid; flat, channeled, 1–5 × 2–20(30) mm. |
Scapes | persistent; solitary; erect; terete or somewhat 2-angled, 10–50 cm × 1–3 mm. |
persistent; solitary; erect; hollow; terete, 45–180 cm × 3–7 mm. |
Umbels | persistent; erect; compact, 10–25-flowered, hemispheric to globose, not producing bulbils, or 0–5-flowered, largely replaced by ovoid, acuminate bulbils; pedicels becoming rigid and stiffly spreading in fruit, 8–13 mm; spathe bracts 2–3. |
persistent; erect; compact; to 500-flowered; few-flowered in variants with bulbils, globose; pedicels 15–50 mm; spathe bracts 3–5. |
Flowers | (4)6–8(10) mm; tepals erect or spreading; ovate to lanceolate; more or less equal, pink to white; margins often obscurely toothed; apex obtuse to acuminate; stamens included; ovary when present, inconspicuously crested with 3–6 low processes; stigma unlobed or obscurely lobed. |
4–5.5 mm; tepals erect, white, pink, or dark red; outer tepals oblong-lanceolate; margins entire; apex obtuse, sometimes mucronate; inner tepals narrowly ovate to spatulate; margins entire; apex obtuse; stamens equaling perianth or exserted; ovary crestless; stigma scarcely thickened, unlobed. |
Allium geyeri |
Allium ampeloprasum |
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Distribution | ||
Discussion | 2 varieties. |
Roadsides and other disturbed areas. Flowering Apr–Jul. 0–50 m. Est. Occasionally escaped in North America; North Africa, Asia, Europe. Exotic. This species may be conspecific with the cultivated leek A. porrum. |
Source | Flora of Oregon, volume 1, page 139 Nick Otting, Richard Brainerd, Barbara Wilson |
Flora of Oregon, volume 1, page 136 Nick Otting, Richard Brainerd, Barbara Wilson |
Sibling taxa | ||
Subordinate taxa | ||
Web links |
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