Allium triquetrum |
Allium parishii |
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three-corner leek |
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Bulbs | 5–20+; increase bulbs absent or more or less equaling parent bulbs, never appearing as basal cluster; ovoid; outer coats enclosing renewal bulbs; more or less translucent, obscurely cellular-reticulate; thin, membranous; meshes delicate; cells vertically elongate, contorted; without fibers. |
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Leaves | persistent, green at anthesis, 2–3; blades solid; flat, not falcate; more or less keeled, 15–50 cm × 3–15 mm; margins entire. |
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Scapes | persistent, clustered; erect; solid, sharply 3-angled, 10–40 cm × 1–10 mm. |
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Umbels | persistent; lax; loose, 3–15-flowered; more or less 1-sided; pedicels 15–25 mm; spathe bracts 1–2. |
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Flowers | becoming pendent, 10–18 mm; tepals erect to spreading, lanceolate; more or less equal, white with prominent green midrib; margins entire; apex acute; stamens included; ovary crestless; stigma scarcely thickened, unlobed. |
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2n | =18. |
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Allium triquetrum |
Allium parishii |
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Distribution | ||
Discussion | Road ditches, lawns, and other disturbed moist sites. Flowering Apr–Jul. 400–2800 m. BR, BW, Col, ECas, Lava, Owy. CA; Europe. Exotic. Allium triquetrum is cultivated for its attractive flowers. It readily escapes in south coastal Oregon and California and has potential to become invasive. |
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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 |