Allium geyeri |
Liliaceae |
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Geyer's onion |
lily family |
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Habit | Herbs perennial; from bulbs or rhizomes. | |
Bulbs | 2–10+; ovoid or slightly elongate; outer coats enclosing 1 or more bulbs, reticulate; cells rather coarse-meshed; open, fibrous. |
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Stems | underground or erect, scapose or leafy. |
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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. |
1–many; basal; cauline, or both, alternate, subopposite, or whorled, linear to ovate or square-shaped; petioles short or absent. |
Scapes | persistent; solitary; erect; terete or somewhat 2-angled, 10–50 cm × 1–3 mm. |
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Inflorescences | solitary; panicles; racemes, or umbels. |
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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. |
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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. |
radially symmetrical; erect or pendent; perianth segments 6; distinct; in 2 petal-like whorls; stamens 3 or 6; ovary superior; style 1; stigmas entire or 3-lobed. |
Fruits | capsules or berries. |
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Seeds | flat or angled. |
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Allium geyeri |
Liliaceae |
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Distribution | ||
Discussion | 2 varieties. |
Cosmopolitan. 15 genera; 9 genera treated in Flora. Due to taxonomic changes proposed by Stevens (2001), most genera formerly contained within Liliaceae have been placed in other families, most notably Amaryllidaceae and Asparagaceae. |
Source | Flora of Oregon, volume 1, page 139 Nick Otting, Richard Brainerd, Barbara Wilson |
Flora of Oregon, volume 1, page 290 |
Sibling taxa | ||
Subordinate taxa | ||
Web links |
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