Allium falcifolium |
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|---|---|
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coast flatstem onion, scytheleaf onion, sickle-leaf onion |
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| Bulbs | 1–5+, not clustered on stout primary rhizomes, rhizomes absent, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, ovoid, 1.5–2.5 × 1–1.8 cm; outer coats enclosing renewal and increase bulbs, brown to reddish brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats white or pink, cells obscure, ± quadrate. |
| Leaves | usually deciduous with scape, withering from tip at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, falcate, 8–21 cm × 2–8 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, strongly flattened, winged distally, 5–25 cm × 1–4 mm. |
| Umbel | persistent, erect, compact to ± loose, 10–30-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 6–9-veined, lanceolate, ± equal, apex acuminate. |
| Flowers | conic to campanulate, 9–15 mm; tepals erect, reddish purple or dingy white, lanceolate, ± equal, rigid and membranous in fruit, at least inner margins denticulate with minute glands, apex long-acuminate; stamens included; anthers purple or yellow; pollen yellow or white; ovary crested; processes 3, central, low, rounded, broad, margins entire; style linear, equaling stamens; stigma capitate, unlobed; pedicel 8–15 mm. |
| Seed | coat dull; cells ± smooth. |
| 2n | = 14. |
Allium falcifolium |
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| Phenology | Flowering Apr–Jun. |
| Habitat | Heavy, rocky, clay soils, including serpentine |
| Elevation | 100–2100 m [300–6900 ft] |
| Distribution |
CA; OR
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| Parent taxa | |
| Sibling taxa | |
| Synonyms | A. breweri, A. falcifolium var. breweri |
| Name authority | Hooker & Arnott: Bot. Beechey Voy., 400. (1841) |
| Source | FNA vol. 26, p. 275. |
| Web links | |