Allium geyeri |
Allium campanulatum |
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Geyer's onion |
Sierra onion |
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Bulbs | 2–10+; ovoid or slightly elongate; outer coats enclosing 1 or more bulbs, reticulate; cells rather coarse-meshed; open, fibrous. |
1–3, producing cluster of stalked basal bulbils above roots or filiform rhizomes to 10 cm and terminated by bulbils; ovoid; outer coats enclosing 1 or more bulbs, membranous, cellular-reticulate; cells more or less quadrate; walls very sinuous; without fibers. |
Leaves | persistent, usually green at anthesis, usually 3–5; blades solid; more or less straight; flat, channeled; (6)12– 30 cm × 1–3(5) mm. |
persistent, withering from tip by anthesis, 2; blades solid; flat, distinctly concave-convex, 8–40 cm × 1–5 mm. |
Scapes | persistent; solitary; erect; terete or somewhat 2-angled, 10–50 cm × 1–3 mm. |
persistent; solitary or clustered, 1–3; erect; solid; terete, 10–30 cm × 1–5 mm. |
Umbels | persistent; erect; compact, 10–25-flowered, hemispheric to globose, not producing bulbils, or 0–5-flowered, largely replaced by ovoid, acuminate bulbils; pedicels becoming rigid and stiffly spreading in fruit, 8–13 mm; spathe bracts 2–3. |
persistent; erect; loose, 10–50-flowered; more or less globose; pedicels 10–20 mm, becoming flexuous and mostly strongly deflexed in fruit; spathe bracts 2–3. |
Flowers | (4)6–8(10) mm; tepals erect or spreading; ovate to lanceolate; more or less equal, pink to white; margins often obscurely toothed; apex obtuse to acuminate; stamens included; ovary when present, inconspicuously crested with 3–6 low processes; stigma unlobed or obscurely lobed. |
5–8 mm; tepals spreading, lanceolate to ovate; more or less equal; rose to purple (rarely white) with darker purple basal crescent on ventral side, keeled in fruit, becoming erect; more or less shiny; rigid; margins entire; apex acuminate, strongly involute at tip; stamens included; ovary crested with 6 prominent processes; stigma scarcely thickened, unlobed. |
2n | =14, 28. |
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Allium geyeri |
Allium campanulatum |
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Distribution | ||
Discussion | 2 varieties. |
Usually sandy soils and rocky uplands, on open or shaded slopes. Flowering May–Aug. 600–2400 m. BR, BW, ECas, Sisk. CA, NV. Native. |
Source | Flora of Oregon, volume 1, page 139 Nick Otting, Richard Brainerd, Barbara Wilson |
Flora of Oregon, volume 1, page 138 Nick Otting, Richard Brainerd, Barbara Wilson |
Sibling taxa | ||
Subordinate taxa | ||
Web links |
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