Allium caesium Schrenk

Species

Angiosperms > Asparagales > Amaryllidaceae > Allium

Characteristics

Bulb solitary, ovoid-globose, 1--1.5 cm in diam., with grayish brown or violet bulbels at base; tunic gray, subleathery to papery. Leaves 2 or 3, slightly shorter to slightly longer than scape, 1--3 mm wide, semiterete, sometimes fistulose, adaxially channeled, scabrous-denticulate, rarely subsmooth. Scape 15--65 cm, scabrous-denticulate or rarely subsmooth, covered with leaf sheaths for 1/4--1/2 its length. Spathe persistent. Umbel hemispheric to globose, densely many flowered, sometimes with a few bulblets, never with bulblets only. Pedicels equal, 2--3(--5) × as long as perianth, bracteolate. Perianth azure, rarely white; segments with darker midvein, oblong to oblong-lanceolate, equal, 4--6 mm, apex subobtuse; inner ones slightly wider than outer. Filaments 3/4 as long as to equaling perianth segments, connate at base and adnate to perianth segments; outer ones narrowly triangular; inner ones broadened for ca. 2/3 their length, to 2 × as wide as outer ones, with 1 obtuse tooth on each side. Style slightly exserted. Fl. and fr. May--Jun. 2 n = 16, 32.
More
An onion family herb. It has one bulb. This is oval and 1-2 cm across. There are brown or violet bulbils at the base, There are 2 or 3 leaves. These are 1-3 mm wide. They have a channel along the top. The stalk is 15-65 cm long.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) - 0.1
Mature height (meter) 0.3 - 0.75
Root system -
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 -

Environment

It is a temperate plant. It grows in deserts and dry pastures between 700-2,000 m above sea level in western China.
Light 7-9
Soil humidity 1-5
Soil texture 3-4
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 7-10

Usage

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

Cultivation

Can be grown by seedlings. Seeds needs stratification.
Mode seedlings
Germination duration (days) 30 - 365
Germination temperacture (C°) 15
Germination luminosity light
Germination treatment stratification
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Allium caesium unspecified picture

Distribution

Allium caesium world distribution map, present in China, Kazakhstan, Kyrgyzstan, and Uzbekistan

Identifiers

LSID urn:lsid:ipni.org:names:527742-1
WFO ID wfo-0000755856
COL ID 65VHV
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Allium aemulans Allium azureum Allium caeruleum Allium caesium Allium urceolatum Allium renari