Allium fibrillum |
Allium dichlamydeum |
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fringed onion |
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Bulbs | 1–5+; without cluster of basal bulbils; more or less globose; outer coats enclosing 1 or more bulbs; brownish, membranous, reticulate; cells very fine, often obscure; narrow; more or less transversely elongate, intricately contorted; without fibers. |
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Leaves | usually persistent, withering from tip by anthesis, 2; blades solid; flat; more or less falcate, linear, channeled, 7–24 cm × 0.5–3 mm. |
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Scapes | persistent; solitary; erect; solid; terete or slightly flattened to very narrowly winged, 3–15 cm × 0.5–2 mm. |
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Umbels | persistent; erect; compact, 10–20(40)-flowered, hemispheric to globose; pedicels 3–10 mm; spathe bracts 2. |
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Flowers | 5–8 mm; tepals erect, lanceolate; more or less equal, white with prominent greenish or pink midribs; margins entire; apex obtuse to acuminate; more or less involute at tip; stamens included; ovary crestless or obscurely crested with 3 low processes; stigma unlobed. |
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2n | =14. |
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Allium fibrillum |
Allium dichlamydeum |
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Distribution | ||
Discussion | Moist, shallow soils in rocky openings and grasslands in conifer woodlands. Flowering May–Jul. 800–2600 m. BW. WA; northeast to MT. Native. Morphologically, A. fibrillum is similar to A. madidum. The latter, however has a basal cluster of bulbils. |
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Source | Flora of Oregon, volume 1, page 139 Nick Otting, Richard Brainerd, Barbara Wilson |
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Sibling taxa | ||
Web links |