Allium madidum |
Allium crispum |
|
---|---|---|
mountain swamp onion, swamp onion |
crinkled onion |
|
Bulbs | 1–3, larger bulbs each usually with cluster of 10–30 easily detached bulbels to one side of base, not clustered on stout, primary rhizome, globose to ovoid, 1–1.6 × 0.8–1.5 cm; outer coats enclosing 1 or more bulbs, brownish, membranous, without fibers; inner coats white to pink; inner and outer coats frequently without obvious reticulations, these, when present, contorted. |
1–3, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, not clustered on stout primary rhizome, ovoid to globose, 0.9–1.5 × 0.9–1.5 cm; outer coats enclosing 1 or more bulbs, brown or gray, prominently cellular-reticulate, membranous, cells arranged in ± vertical rows, forming distinct herringbone pattern, transversely elongate, V-shaped, without fibers; inner coats white, cells obscure, forming distinct herringbone pattern or ± quadrate, transversely elongate, V-shaped. |
Leaves | persistent, green at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat or channeled, 10–25 cm × 1–4 mm, margins entire. |
persistent, withering from tip by anthesis, 2–3, basally sheathing, sheaths not extending much above soil surface; blade solid, subterete or ± channeled, straight to arcuate, 13–30 cm × 1–3 mm, margins entire. |
Scape | persistent, solitary, erect, solid, ± terete, sometimes ridged, 10–20 cm × 1–2 mm. |
persistent, solitary, erect, solid, terete, 15–35 cm × 1–3 mm. |
Umbel | persistent, erect, compact, 10–20-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 5–7-veined, ovate, ± equal, apex acuminate. |
persistent, erect, loose, 10–40-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 4–6-veined, lance-ovate to ovate, ± equal, apex acuminate. |
Flowers | campanulate, 6–10 mm; tepals erect or ± spreading, white with prominent green or pink midveins, lanceolate, ± equal, becoming papery in fruit, margins entire, apex obtuse to acuminate, becoming involute at tip; stamens included; anthers white or yellow; pollen yellow; ovary crestless or obscurely crested; processes 3, low, central, rounded, minute; style linear, equaling stamens; stigma capitate, unlobed or slightly lobed; pedicel 5–12 mm. |
campanulate, 8–13 mm; tepals erect, rose-purple, lance-ovate to broadly ovate, unequal, outer longer and wider than inner, becoming rigid and keeled in fruit, margins of outer tepal entire, inner denticulate and distinctly crisped, apex acuminate, recurved-spreading at tips; stamens included; anthers yellow; pollen yellow; ovary crested; processes 3, central, 2-lobed, minute, margins entire; style linear, equaling stamens; stigma capitate, 3-lobed; pedicel 10–35 mm. |
Seed | coat dull; cells ± smooth. |
coat dull; cells minutely roughened. |
2n | = 28, 42. |
= 14. |
Allium madidum |
Allium crispum |
|
Phenology | Flowering May–Jul. | Flowering late Mar–Jun. |
Habitat | Seasonally wet meadows | Clay soils, including serpentine |
Elevation | 1100–2000 m (3600–6600 ft) | 100–800 m (300–2600 ft) |
Distribution |
ID; OR
|
CA
|
Discussion | Allium madidum is found in the Blue Mountains, Oregon and in Idaho near Payette Lake and New Meadows. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Allium crispum is known only from the inner south Coast Ranges. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 255. | FNA vol. 26. |
Parent taxa | Liliaceae > Allium | Liliaceae > Allium |
Sibling taxa | ||
Synonyms | A. peninsulare var. crispum | |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 228. (1879) | Greene: Pittonia 1: 166. (1888) |
Web links |