Allium campanulatum S.Watson

Dusky onion (en)

Species

Angiosperms > Asparagales > Amaryllidaceae > Allium

Characteristics

Bulbs 1–3, producing cluster of stalked basal bulbels distal to roots or filiform rhizomes to 10 cm and terminated by bulbels, ovoid, 1–2 × 0.6–1.4 cm; outer coats enclosing 1 or more bulbs, brown to gray, membranous, cellular-reticulate, cells ± quadrate, walls very sinuous, without fibers; inner coats pink to white, cells obscure, vertically elongate. Leaves persistent, withering from tip by anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, distinctly concave-convex, 8–40 cm × 1–5 mm, margins entire. Scape persistent, solitary or clustered, 1–3, erect, solid, terete, 10–30 cm × 1–5 mm. Umbel persistent, erect, loose, 10–50-flowered, ± globose, bulbils unknown; spathe bracts persistent, 2–3, 3–5-veined, ovate to lanceolate, ± equal, apex acuminate. Flowers stellate, 5–8 mm; tepals spreading, rose to purple (rarely white) with darker purple crescent adaxially basally, lanceolate to ovate, ± equal, carinate in fruit, becoming erect, ± shiny, rigid, margins entire, apex acuminate, strongly involute at tip; stamens included; anthers purple; pollen yellow; ovary crested; processes 6, prominent, low, central, triangular, margins minutely denticulate; style linear, ± equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 10–20 mm, becoming flexuous and mostly strongly deflexed in fruit. Seed coat shining; cells each with minute, central papilla. 2n = 14, 28.
More
An onion herb.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 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

It is a temperate plant.
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

Habit

Allium campanulatum habit picture by Muscariaman (cc-by-sa)

Flower

Allium campanulatum flower picture by Muscariaman (cc-by-sa)

Distribution

Allium campanulatum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:527756-1
WFO ID wfo-0000755872
COL ID 5TVJF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Allium bidwelliae Allium campanulatum Allium tenellum Allium austinae Allium bullardii Allium campanulatum var. bidwelliae