Artemisia japonica Thunb.

Oriental wormwood (en)

Species

Angiosperms > Asterales > Asteraceae > Artemisia

Characteristics

Herbs, perennial, 50-130 cm tall; rootstock 1.5-2.5 cm thick, woody, upper parts puberulent or glabrescent, strongly aromatic. Sterile stems 5-30 cm, leaves clustered at apex; leaf blade spatulate, 3.5-8 × 1-3 cm, pinnately lobed, toothed, apex rounded. Basal and lower stem leaves ± sessile; leaf blade oblong-obovate to broadly spatulate or flabellate, (3-)4-6(-8) × (1-)2-2.5(-3) cm, puberulent or glabrescent, obliquely pinnatipartite or-cleft from apex to center, few serrate apically. Middle stem leaves: leaf blade spatulate, cuneate, or narrowly spatulate, 2.5-3.5(-4.5) × 0.5-1(-2) cm, obliquely partite or cleft and few serrate at apex or lobes linear. Uppermost leaves 3-cleft or entire; leaflike bracts elliptic, lanceolate, or linear-lanceolate. Synflorescence a ± narrow panicle, 15-20 × 3-15(-20) cm panicle; branches almost horizontal or obliquely patent, 3-20 cm. Capitula many, nodding, shortly to long pedunculate. Involucre ovoid or subglobose, 1.5-2.5 mm in diam.; phyllaries glabrous, outermost ovate, very narrowly white scarious on margin, apex acute. Florets 12-15(-20), yellow. Marginal female florets 3-8(-11); corolla narrow, 2-toothed. Disk florets 5-10, male. Achenes dark brown, 0.8-1 mm, obovoid. Fl. and fr. Jul-Nov. 2n = 18, 36, 37.
More
A herb. It grows 50-90 cm high. It keeps growing from year to year. It has a woody rootstock 2-3 cm thick. The leaves are clustered at the top. The leaves are spoon shaped and 4-8 cm long by 1-3 cm wide. There are lobes along the stalk and teeth along the edge.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.65 - 1.0
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 c3

Environment

It is a tropical and subtropical plant. In Pakistan it grows in mixed gravely sands between 500-1,200 m above sea level. In China it grows from low elevations to 3,300 m above sea level. In Sichuan and Yunnan.
More
Sunny hills and low elevations in mountains all over Japan. Forest margins, waste areas, shrublands, hills, slopes and roadsides; from low elevations to 3,300 metres.
Light 6-9
Soil humidity 1-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 7-10

Usage

Young leaves are roasted and eaten with soy sauce. They are boiled, fried or stir-fried and used as a potherb or added to soups. They are also used for colouring and flavouring.
Uses medicinal potherb
Edible flowers leaves
Therapeutic use Anthelmintics (aerial part), Anti-bacterial agents (aerial part), Antifungal agents (aerial part), Malaria (aerial part), Skin diseases (aerial part), Wound healing (aerial part), Anthelmintics (leaf), Wounds and injuries (leaf), Insecticides (underground part), Ague (unspecified), Fattening (unspecified), Vaginitis (unspecified), Anticonvulsants (unspecified), Antiviral agents (unspecified), Anti-bacterial agents (whole plant), Antiviral agents (whole plant), Diuretics (whole plant), Parasympatholytics (whole plant excluding root)
Human toxicity -
Animal toxicity -

Cultivation

It is grown from seed.
Mode cuttings seedlings
Germination duration (days) 30 - 60
Germination temperacture (C°) 15 - 18
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Artemisia japonica unspecified picture

Distribution

Artemisia japonica world distribution map, present in Afghanistan, Bhutan, China, India, Japan, Kenya, Lao People's Democratic Republic, Myanmar, Nepal, Pakistan, Philippines, Korea (Democratic People's Republic of), Thailand, Taiwan, Province of China, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:927442-1
WFO ID wfo-0000078296
COL ID GWGN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Artemisia japonica f. japonica Artemisia japonica Oligosporus japonicus Artemisia japonica subsp. japonica Artemisia japonica var. parviflora Artemisia japonica var. japonica