Allium constrictum |
Allium vineale |
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cow garlic, field garlic, wild garlic |
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Bulbs | 5–20, clustered, stipitate; hard-shelled, asymmetric; ovoid; outer coats enclosing bulbs, membranous, vertically striate, splitting into parallel strips and fibers, cellular reticulations vertical, arranged in more or less wavy rows. |
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Leaves | persistent, green at anthesis, 2–4; blades hollow below middle; terete, cylindric or filiform, not carinate, 20–60 cm × 2–4 mm. |
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Scapes | persistent; solitary; erect; terete, 30–120 cm × 1.5–4 mm. |
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Umbels | persistent; erect; more or less compact, 0–50-flowered, subglobose to ovoid or hemispheric, flowering pedicels all or in part replaced by bulbils; bulbils sessile, basally narrowed, 4–6 × 2–3 mm; pedicels 10–20 mm at flowering; spathe bract 1. |
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Flowers | 3–4 mm; tepals erect, elliptic-lanceolate; more or less equal; greenish to purple; margins entire; apex obtuse; stamens exserted; ovary crestless; stigma scarcely thickened, unlobed. |
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2n | =32, 40. |
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Allium constrictum |
Allium vineale |
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Distribution | ||
Discussion | Disturbed areas near agricultural fields, flower beds, lawns. Flowering Jun–Aug. 0–300 m. CR, Est, Sisk, WV. CA, ID, WA; north to British Columbia, northeast to MT, disjunct MI to MA, GA to LA; worldwide. Exotic. Allium vineale is a noxious weed and difficult to control with commonly used herbicides. |
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Source | Flora of Oregon, volume 1, page 144 Nick Otting, Richard Brainerd, Barbara Wilson |
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Sibling taxa | ||
Web links |
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