Allium constrictum |
Allium brandegeei |
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Brandegee’s onion |
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Bulbs | 1–5; ovoid to globose; outer coats enclosing 1 or more bulbs, membranous, usually distinctly cellular-reticulate; cells isodiametric or more or less narrowly hexagonal, transversely elongate; without fibers. |
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Leaves | usually persistent, green at anthesis, 2; blades solid; flat or channeled; more or less falcate, 8–27 cm × 1–3 mm. |
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Scapes | persistent; solitary; erect; solid; terete, rarely slightly compressed, narrowly or not winged, 3–10(20) cm × 1–3(4) mm. |
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Umbels | persistent; erect; compact, 8–25(30)-flowered, hemispheric; pedicels 5–15 mm; spathe bracts 2. |
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Flowers | 5–8 mm; tepals erect, lanceolate to elliptic; more or less equal, white with prominent green to purplish midvein, becoming involute at tip in fruit; margins entire; apex obtuse to acuminate; stamens included; ovary crestless or obscurely crested with 3 processes; stigma scarcely thickened, unlobed. |
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2n | =14. |
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Allium constrictum |
Allium brandegeei |
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Distribution | ||
Discussion | Heavy soils in meadows and seasonally wet areas. Flowering Apr–Jun. 1300–1900 m. BW, Owy. ID, NV; east to MT and CO. Native. |
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Source | Flora of Oregon, volume 1, page 137 Nick Otting, Richard Brainerd, Barbara Wilson |
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Sibling taxa | ||
Web links |