Ajuga decumbens Thunb.

Species

Angiosperms > Lamiales > Lamiaceae > Ajuga

Characteristics

Herbs annual or biennial, stoloniferous. Stems 10-30 cm tall, white villous or lanate-villous especially on young parts. Basal leaves numerous, longer than stem leaves; petiole 1-2.5 cm or more, narrowly winged, purplish green or greenish, villous; leaf blade 3-6(-14) × 1.5-2.5(-5) cm, sparsely strigose to pilose, base attenuate-decurrent, ciliate, apex obtuse to rounded. Verticillasters many flowered, basally widely spaced, apically crowded in interrupted spikes 7-12 cm; apical floral leaves bractlike, lanceolate. Pedicel short. Calyx funnelform, 5-8 mm, margin pilose; teeth triangular, to 1/2 as long as calyx. Corolla tubular, straight, basally slightly swollen, 8-10 mm, pilose, villous annulate inside; upper lip of limb straight, circular, apex emarginate; middle lobe of lower lip narrowly flabellate to obcordate, lateral lobes oblong to subelliptic. Nutlets areole to nearly 2/3 as long as adaxial side of nutlet. Fl. Mar-Jul, fr. May-Nov.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.1
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

Thin woods and hedges in hills and low mountains, C. and S. Japan. Sunny meadows on hill sides from the lowlands to elevations of 1,000 metres.
Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 6-11

Usage

Uses medicinal
Edible -
Therapeutic use Abscess (unspecified), Bite(Snake) (unspecified), Boil (unspecified), Burn (unspecified), Epistaxis (unspecified), Fever (unspecified), Inflammation (unspecified), Pneumonia (unspecified), Sore(Throat) (unspecified), Tonsillitis (unspecified), Trauma (unspecified), Tumor (unspecified), Wound (unspecified), Analgesic (unspecified), Bronchitis (unspecified), Hypertension (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Ajuga decumbens unspecified picture

Distribution

Ajuga decumbens world distribution map, present in China, Japan, Korea (Democratic People's Republic of), and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:927390-1
WFO ID wfo-0000933606
COL ID BDN5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ajuga decumbens var. glabrescens Ajuga decumbens var. sinuata Ajuga decumbens f. condensata Ajuga decumbens

Lower taxons

Ajuga decumbens var. decumbens