Allium nevadense

S. Watson

Botany (Fortieth Parallel), 351, plate 38, figs. 1–3. 1871

Synonyms: Allium nevadense var. macropetalum M. Peck
Treatment appears in FNA Volume 26. Treatment on page 248. Mentioned on page 224, 229, 249, 260.
Revision as of 19:32, 24 September 2019 by Volume Importer (talk)
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


V26 442-distribution-map.jpg

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


Selected References


Lower Taxa