Allium nevadense

S. Watson
Botany (Fortieth Parallel), 351, plate 38, figs. 1–3. 1871.
IllustratedEndemic
Synonyms: Allium nevadense var. macropetalum M. Peck
Treatment appears in FNA Volume 26. Treatment on page 248. Mentioned on page 224, 229, 249, 260.

Bulbs 1–3, not clustered on stout, primary rhizome, with 0–2 stalked, basal bulbels, ovoid, 1–2 × 0.8–1.5 cm; outer coats enclosing 1 or more bulbs, brown, membranous, usually prominently cellular-reticulate, cells ± transversely elongate, intricately contorted, without fibers; inner coats white or pinkish, cells elongate, intricately contorted. Leaves persistent, 1, basally sheathing, sheath not extending much above soil surface; blade solid, terete, 10–20 cm × 1–3 mm. Scape persistent, solitary, erect, ± solid, terete, 5–15 cm × 1–2.5 mm. Umbel persistent, erect, compact, 5–25-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–3, 3–7-veined, ovate to lanceolate, ± equal, apex acuminate. Flowers stellate, 7–12 mm; tepals spreading, white or pinkish white with dark pink midveins, lanceolate to ovate, ± equal, becoming papery in fruit, margins entire, apex acute to acuminate; stamens included; anthers purple; pollen yellow; ovary crested; processes 6, prominent, ± triangular, margins entire to notched or shallowly toothed; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 8–16 mm. Seed coat dull; cells minutely roughened. 2n = 14, 28.


Phenology: Flowering Apr–Jun.
Habitat: Sandy, rocky, or occasionally clay soils on desert plains and hillsides
Elevation: 1400–1700 m

Distribution

V26 442-distribution-map.jpg

Ariz., Calif., Colo., Idaho, Nev., Oreg., Utah.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Allium nevadense"
Dale W. McNeal Jr. +  and T. D. Jacobsen +
S. Watson +
Ariz. +, Calif. +, Colo. +, Idaho +, Nev. +, Oreg. +  and Utah. +
1400–1700 m +
Sandy, rocky, or occasionally clay soils on desert plains and hillsides +
Flowering Apr–Jun. +
Botany (Fortieth Parallel), +
Illustrated +  and Endemic +
Allium nevadense var. macropetalum +
Allium nevadense +
species +