Allium nevadense S.Watson

Nevada onion (en)

Species

Angiosperms > Asparagales > Amaryllidaceae > Allium

Characteristics

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.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.3
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 1-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-10

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 365
Germination temperacture (C°) 10
Germination luminosity light
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Allium nevadense unspecified picture
Allium nevadense unspecified picture
Allium nevadense unspecified picture

Distribution

Allium nevadense world distribution map, present in Colombia and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:528480-1
WFO ID wfo-0000756817
COL ID 65WV7
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Allium nevadense Allium nevadense var. macropetalum Allium nevadense var. nevadense