Allium macrostemon Bunge

Species

Angiosperms > Asparagales > Amaryllidaceae > Allium

Characteristics

Bulb solitary, subglobose, 0.7--1.5(--2) cm in diam., usually with bulbels at base; tunic blackish, papery or membranous, entire. Leaves shorter than scape, 2--5 mm wide, semiterete or 3-angled-semiterete, abaxially strongly 1-angled, fistulose, adaxially channeled. Scape 30--70 cm, terete, covered with leaf sheaths for 1/4--1/3 its length. Spathe 2-valved, persistent. Umbel hemispheric to globose, densely many flowered, bearing bulblets and flowers or bulblets only. Pedicels subequal, 3--5 × as long as perianth, bracteolate. Perianth pale purple to pale red; segments oblong-ovate to oblong-lanceolate, equal, 4--5.5 × 1.2--2 mm; inner ones usually shorter than outer. Filaments equal, 1/2 as long as to slightly shorter than perianth segments, connate and adnate to perianth segments, base triangular; inner ones ca. 1/2 as wide as outer at base. Ovary subglobose, with concave nectaries covered by hoodlike projections at base. Style exserted. Fl. and fr. May--Jul. 2 n = 16, 24, 32*, 40*, 48.
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An onion family plant. A bulb plant. It grows to 60 cm high. There is only one bulb. It is 0.7-1.5 cm across. It can have small bulbils at the base. The covering is blackish and papery. The leave are shorter than the scape. They are 2-5 mm wide. They can be 3 angled. The scape is 30-70 cm long. The flower head is half round with many flowers and bulblets.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.01 - 0.02
Mature height (meter) 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a temperate climate plant. It grows naturally on meadows and arable land in China, Japan. It grows from sea level to 1600 m altitude in N China and 3000 m in S China. It grows in Sichuan and Yunnan.
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Meadows and arable land. Found throughout China on hills, slopes, valleys and plains; at elevations from near near sea level to 1,600 metres (3,000 metres in Yunnan).
Light 7-9
Soil humidity 4-6
Soil texture 3-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 5-10

Usage

The bulbs are eaten raw or cooked. The leaves are eaten raw or cooked. The flowers are used raw to flavour salads. The young plants before flowering are mixed with flour and cooked in soups.
Uses condiment food gene source medicinal
Edible bulbs flowers leaves roots
Therapeutic use Amenorrhea (unspecified), Cancer (unspecified), Depurative (unspecified), Nerves (unspecified), Diarrhea (unspecified), Stomachic (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seed or by dividing the clumps.
Mode divisions seedlings
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 macrostemon unspecified picture

Distribution

Allium macrostemon world distribution map, present in Chile, China, Japan, Montenegro, and Korea (Democratic People's Republic of)

Conservation status

Allium macrostemon threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:528368-1
WFO ID wfo-0000756666
COL ID 65XF6
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Allium chanetii Allium grayi Allium iatasen Allium nipponicum Allium uratense Allium macrostemon Allium nereidum Allium ousensanense Allium macrostemon var. uratense Allium pallasii var. uratense Allium grayi var. chanetii