Allium amplectens Torr.

Narrowleaf onion (en)

Species

Angiosperms > Asparagales > Amaryllidaceae > Allium

Characteristics

Bulbs 1–15+, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, not clustered on stout primary rhizome, ovoid to ± globose, 0.6–1.5 × 0.6–1.3 cm; outer coats enclosing 1 or more bulbs, brown, prominently cellular-reticulate, membranous, cells in ± vertical rows, forming irregular herringbone pattern, transversely elongate, V-shaped, without fibers; inner coats usually dark red, sometimes white to pink, cells obscure, quadrate. Leaves persistent, withering from tip at anthesis, 2–4, basally sheathing, sheaths not extending much above soil surface; blade solid, subterete or ± channeled, 10–36 cm × 0.5–2 mm, margins entire. Scape persistent, solitary, erect, solid, terete, 15–50 cm × 3–5 mm. Umbel shattering after seeds mature, each flower deciduous with its pedicel as a unit, erect, compact, 10–50-flowered, hemispheric, bulbels unknown; spathe bracts persistent, 2–3, 6–13-veined, ovate, ± equal, apex short-acuminate. Flowers stellate, 5–9 mm; tepals spreading at anthesis, white to pink, lanceolate, ± equal, becoming papery and connivent over capsule, margins entire, apex acute; stamens included; anthers yellow or purple; pollen yellow; ovary crested; processes 6, lateral, ± prominent, ± rectangular, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 4–16 mm. Seed coat dull; cells minutely roughened. 2n = 14, 21, 28.
More
An onion herb. It grows 30 cm tall. The bulb is pinkish brown. The flower is at the top of a naked green stem. This initially has pink bracts. The flowers are white to pink.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 1.0
Mature height (meter) 0.3 - 0.35
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant.
Light 6-8
Soil humidity 2-6
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-9

Usage

Uses -
Edible bulbs flowers leaves
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°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Allium amplectens unspecified picture

Distribution

Allium amplectens world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:527588-1
WFO ID wfo-0000755635
COL ID BTXT
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Allium amplectens Allium attenuatum Allium attenuifolium Allium monospermum Allium occidentale Allium serratum Allium reticulatum Allium attenuifolium var. monospermum Allium acuminatum var. gracile