Allium nevii |
Allium fibrillum |
|
---|---|---|
Nevius' onion |
fringed onion |
|
Bulbs | 1–5+; ovoid; outer coats enclosing 1 or more bulbs, membranous; more or less reticulate; cells quadrate to polygonal, vertically oblong; without fibers. |
1–5+; without cluster of basal bulbils; more or less globose; outer coats enclosing 1 or more bulbs; brownish, membranous, reticulate; cells very fine, often obscure; narrow; more or less transversely elongate, intricately contorted; without fibers. |
Leaves | usually persistent, withering from tip at anthesis, 2; blades solid; flat or more or less channeled, falcate, 12–25 cm × 2–3 mm. |
usually persistent, withering from tip by anthesis, 2; blades solid; flat; more or less falcate, linear, channeled, 7–24 cm × 0.5–3 mm. |
Scapes | persistent, 1–3; erect; solid; terete or somewhat flattened, 2-edged, not expanded proximal to inflorescence, 15–30 cm × 1–3 mm. |
persistent; solitary; erect; solid; terete or slightly flattened to very narrowly winged, 3–15 cm × 0.5–2 mm. |
Umbels | persistent; erect; compact, 10–30-flowered, hemispheric; pedicels 8–12 mm; spathe bracts 2. |
persistent; erect; compact, 10–20(40)-flowered, hemispheric to globose; pedicels 3–10 mm; spathe bracts 2. |
Flowers | 6–8 mm; tepals spreading, lanceolate; more or less equal; rose-colored; margins entire; apex acuminate; stamens more or less equaling tepals, or exserted; ovary distinctly crested with 6 low processes; stigma unlobed. |
5–8 mm; tepals erect, lanceolate; more or less equal, white with prominent greenish or pink midribs; margins entire; apex obtuse to acuminate; more or less involute at tip; stamens included; ovary crestless or obscurely crested with 3 low processes; stigma unlobed. |
2n | =14. |
=14. |
Allium nevii |
Allium fibrillum |
|
Distribution | ||
Discussion | Wet meadows and along streams, in rocky clay soils, seasonally moist scablands. Flowering Apr–Jun. 0–1200 m. Col, ECas. WA. Native. |
Moist, shallow soils in rocky openings and grasslands in conifer woodlands. Flowering May–Jul. 800–2600 m. BW. WA; northeast to MT. Native. Morphologically, A. fibrillum is similar to A. madidum. The latter, however has a basal cluster of bulbils. |
Source | Flora of Oregon, volume 1, page 141 Nick Otting, Richard Brainerd, Barbara Wilson |
Flora of Oregon, volume 1, page 139 Nick Otting, Richard Brainerd, Barbara Wilson |
Sibling taxa | ||
Synonyms | Allium douglasii var. nevii | |
Web links |