Allium simillimum |
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simil onion |
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Bulbs | usually solitary, not clustered on stout, primary rhizome, ovoid, 0.8–1.6 × 0.6–1.4 cm; outer coats enclosing single bulb, brownish, membranous, with ± obscure reticulations, cells isodiametric to transversely elongate, often contorted, without fibers; inner coats white to pink, cells obscure, quadrate. |
Leaves | usually dedicuous with scape, green at anthesis, 2, basally sheathing, sheaths not extended much above soil surface; blade solid, flat to ± terete, linear, broadly channeled, 4–22 cm × 1–2 mm, margins entire. |
Scape | usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, slightly flattened, very narrowly winged or not, 1–5 cm × 0.5–2 mm. |
Umbel | persistent, erect, compact, 5–15-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 6–9-veined, ovate, ± equal, apex obtuse or acute. |
Flowers | campanulate, 5–9 mm; tepals erect, white with green or reddish midribs or rarely pink, oblong to lanceolate, ± equal, becoming papery in fruit, margins obscurely to distinctly denticulate-serrulate, apex obtuse to acuminate; stamens included; anthers purple or mottled purple and white; pollen white or gray; ovary crested; processes 3, low, rounded, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 2–5 mm. |
Seed | coat dull or shining; cells smooth. |
2n | = 14. |
Allium simillimum |
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Phenology | Flowering Apr–Jun. |
Habitat | Coarse, sandy soils of granitic, calcareous, or basaltic origins |
Elevation | 1800–3400 m (5900–11200 ft) |
Distribution |
ID; MT
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Source | FNA vol. 26, p. 268. |
Parent taxa | |
Sibling taxa | |
Name authority | L. F. Henderson: Bull. Torrey Bot. Club 27: 355. (1900) |
Web links |