Allium stellatum |
Allium macrum |
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rock onion |
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Bulbs | 1–3, globose to ovate; outer coats enclosing 1 or more bulbs, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows adjacent to roots; more or less quadrate; without fibers. |
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Leaves | usually persistent, withering from tip at anthesis, 2; blades solid; flat or channeled; more or less falcate, 12–38 cm × 2–3 mm. |
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Scapes | persistent; solitary; erect; solid; more or less terete, not expanded proximal to inflorescence, 9–32 cm × 0.5–4 mm. |
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Umbels | persistent; erect; loose, 10–20-flowered, globose; pedicels 5–20 mm; spathe bracts 2. |
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Flowers | 5–7 mm; tepals spreading, lanceolate; more or less equal, white or pinkish with prominent red midveins; margins entire; apex acute to acuminate; stamens equaling tepals or exserted; ovary crested with 3 obtuse processes; stigma scarcely thickened, unlobed. |
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2n | =14. |
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Allium stellatum |
Allium macrum |
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Distribution | ||
Discussion | Open, dry meadows to vernally moist rocky, clay swales. Flowering Apr–May. 400–1800 m. BW, Col, ECas, Lava. WA. Native. |
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Source | Flora of Oregon, volume 1, page 140 Nick Otting, Richard Brainerd, Barbara Wilson |
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Sibling taxa | ||
Web links |