Ajuga reptans L.

Common bugle (en), Bugle rampante (fr), Consyre moyenne (fr)

Species

Angiosperms > Lamiales > Lamiaceae > Ajuga

Characteristics

Perennial; vegetative shoots ± procumbent and forming long, glabrous, aerial stolons. Lvs with winged petioles 1-2 cm long. Lamina 1.5-5 × 0.7-3 cm, broad-elliptic to elliptic-obovate or oblong, glabrous or becoming so, undulate or shallowly and broadly crenate; apex obtuse or rounded. Flowering stems to c. 25 cm tall, erect, densely hairy on 2 sides. Lower bracts similar to lvs but sessile and entire, tinged blue. Verticels crowded towards apex, c. 6-flowered. Calyx 4-5 mm long; teeth exceeding tube, lanceolate to elliptic, purplish, acute, with long white cilia. Corolla 13-17 mm long, blue with darker veins; tube > calyx, hairy outside; upper lip emarginate. Filaments glandular-puberulent, blue. Style blue. Nutlets not seen.
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Plants vigorously spreading by leafy stolons and forming loose mats; flowering stems ± erect, 1–3 dm, commonly pubescent in strips decurrent from the lf-bases; lvs often coppery or purplish; basal lvs often persistent, relatively large and long-petiolate; verticils usually 6-fld; upper cor-lip entire; otherwise much like no. 1 [Ajuga genevensis L.]; 2n=32. Native of Eurasia, sometimes escaped into lawns etc. in our range. May, June.
A creeping perennial plant. It grows 30 cm high and spreads to 60 cm across. It has stolons or runners. The plant forms roots as it spreads. The leaves are opposite and dark green. The flowers are blue to purple. They occur on short spikes.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread myrmecochory
Mature width (meter) 0.55 - 1.0
Mature height (meter) 0.1 - 0.3
Root system rhizome
Rooting depth (meter) 0.3
Root diameter (meter) 0.4
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 temperate plant. It can grow in shady conditions. Once established the plant is fairly drought tolerant. It does best in a humus rich moist soil. It is frost hardy. Hobart Botanical Gardens. It suits plant hardiness zones 3-9.
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Damp grassy fields and damp woods.
Light 3-6
Soil humidity 3-8
Soil texture 2-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 6-8

Usage

The young shoots are eaten raw in salads. They are also cooked as a vegetable. CAUTION: The plant has toxic properties. It has mild laxative properties.
Uses environmental use fodder medicinal
Edible leaves shoots
Therapeutic use Astringent (unspecified), Cancer (unspecified), Carminative (unspecified), Deobstruent (unspecified), Hemostat (unspecified), Jaundice (unspecified), Narcotic (unspecified), Rheumatism (unspecified), Spleen (unspecified), Stomachic (unspecified), Styptic (unspecified), Vulnerary (unspecified), Diuretic (unspecified), Fever (unspecified), Liver (unspecified), Lung (unspecified), Tonic (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seed. The seed usually germinates in 3-4 weeks at 10°C. Plants can be grown by division of the runners.
Mode divisions seedlings
Germination duration (days) 14 - 28
Germination temperacture (C°) 20
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Ajuga reptans habit picture by Coralie Muschietti (cc-by-sa)
Ajuga reptans habit picture by Kai Best (cc-by-sa)
Ajuga reptans habit picture by Jonas Kabsch (cc-by-sa)

Leaf

Ajuga reptans leaf picture by onbotanical (cc-by-sa)
Ajuga reptans leaf picture by Scheller Lars (cc-by-sa)
Ajuga reptans leaf picture by Noham Trigaud (cc-by-sa)

Flower

Ajuga reptans flower picture by Nerez Martin (cc-by-sa)
Ajuga reptans flower picture by Rob Hendriks (cc-by-sa)
Ajuga reptans flower picture by I Birn (cc-by-sa)

Fruit

Ajuga reptans fruit picture by Giulian O’Laegium (cc-by-sa)
Ajuga reptans fruit picture by hubert marteau (cc-by-sa)
Ajuga reptans fruit picture by pasqui ravelli (cc-by-sa)

Distribution

Ajuga reptans world distribution map, present in Åland Islands, Albania, Austria, Bulgaria, Belarus, Canada, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Micronesia (Federated States of), United Kingdom of Great Britain and Northern Ireland, Georgia, Greece, Hungary, Ireland, Iran (Islamic Republic of), Italy, Malaysia, Nicaragua, Netherlands, Norway, New Zealand, Poland, Portugal, Romania, Russian Federation, Sweden, Turks and Caicos Islands, Tunisia, Ukraine, United States of America, and Venezuela (Bolivarian Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:444664-1
WFO ID wfo-0000935107
COL ID 65V5Y
BDTFX ID 2407
INPN ID 80990
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Teucrium reptans Bugula decumbens Bugula reptans Ajuga abnormis Ajuga candolleana Ajuga repens Ajuga reptans Ajuga vulgaris Ajuga alpina Ajuga densiflora Ajuga pyramidalis Ajuga breviproles Ajuga stolonifera Ajuga barrelieri Ajuga reptans var. alpina Ajuga reptans var. albiflora Ajuga reptans var. pyramidata Ajuga vulgaris subsp. abnormis Ajuga reptans var. lerezana