Allium geyeri |
Allium lemmonii |
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Geyer's onion |
Lemmon's 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. |
1–5+; ovoid; outer coats enclosing 1 or more bulbs, membranous; more or less prominently cellular-reticulate; cells in more or less regular vertical rows, narrowly rectangular, transversely elongate; 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. |
usually deciduous with scape, green or withering only at tip at anthesis, 2; blades solid; flat, falcate, 8–30 cm × 3–5 mm. |
Scapes | persistent; solitary; erect; terete or somewhat 2-angled, 10–50 cm × 1–3 mm. |
usually forming abscission layer and deciduous with leaves after seeds mature; solitary; erect; solid, flattened, narrowly winged, 6–20 cm × 1–4 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; compact to more or less loose, 10–40-flowered, hemispheric; pedicels 7–20 mm; 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. |
6–9 mm; tepals erect; lance-ovate; more or less equal, pink to whitish; margins entire; apex acute to acuminate; stamens more or less equaling tepals; ovary obscurely crested with 6 low processes; stigma scarcely thickened, unlobed. |
2n | =14. |
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Allium geyeri |
Allium lemmonii |
|
Distribution | ||
Discussion | 2 varieties. |
Heavy clay soils often derived from volcanic ash, typically barren, open sites. Flowering Apr–Jun. 600–2000 m. BR, BW, ECas, Owy. CA, ID, NV; east to Utah. Native. |
Source | Flora of Oregon, volume 1, page 139 Nick Otting, Richard Brainerd, Barbara Wilson |
Flora of Oregon, volume 1, page 139 Nick Otting, Richard Brainerd, Barbara Wilson |
Sibling taxa | ||
Subordinate taxa | ||
Web links |
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