Allium lacunosum S.Watson

Pitted onion (en)

Species

Angiosperms > Asparagales > Amaryllidaceae > Allium

Characteristics

Bulbs 1–3(–5), not clustered on stout primary rhizome, ovoid, 1–2 × 1–2 cm; outer coats enclosing 1 or more bulbs, brown, prominently cellular-reticulate, membranous, accumulating and investing bulb with thick cover, cells square, polygonal, or ± transversely elongate, walls thick, sinuous, without fibers; inner coats white to light brown, cells ± obscure, quadrate. Leaves persistent, withering from tip at anthesis, 2–3, basally sheathing, sheaths not extending much above soil surface; blade solid, flattened, subterete or ± channeled and carinate, ± falcate, 10–30 cm × 0.5–3 mm, margins entire. Scape persistent, solitary, erect, solid, terete, 10–35 cm × 1–4 mm. Umbel persistent, erect, compact or loose, 5–45-flowered, bulbils unknown, umbel shattering after seeds mature, each flower deciduous with its pedicel; spathe bracts persistent, 2–3, 4–6-veined, lance-ovate to ovate, ± equal, apex obtuse or acuminate. Flowers campanulate, 4–9 mm; tepals erect or spreading from base, white to deep pink with darker midveins, lance-ovate to ovate, ± equal, margins entire, apex obtuse, acute, or short-acuminate; stamens included; anthers yellow; pollen yellow; ovary 3-grooved with ridge on either side of each groove, ridges prolonged into crest, ridges and crest densely covered with minute, rounded papillae; processes 3, central, 2-lobed, minute; style linear, equaling stamens; stigma capitate, scarcely thickened, obscurely 3-lobed; pedicel 4–30 mm. Seed coat dull or shining; cells minutely roughened.
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) -
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 4-9
Soil humidity 1-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

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 lacunosum unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:528279-1
WFO ID wfo-0000756561
COL ID 5TXFC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Allium lacunosum

Lower taxons

Allium lacunosum var. davisiae Allium lacunosum var. lacunosum Allium lacunosum var. micranthum