Interesting Facts
Common Names
Common Names in English:
Ajuga
Description
Genus Ajuga
Plants
annual
, biennial or perennial
, herbaceous, rarely shrubs
. Leaves simple
; leaf blade
papery
, margin
dentate
to incised, rarely subentire
. Verticillasters
2- to many flowered, in false spikes; floral
leaves similar to stem leaves or gradually reduced to bracts, rarely dissimilar, larger than stem leaves. Flowers subsessile
. Calyx ovoid
to globose
, campanulate
to funnelform
, 10-veined, sometimes with inconspicuous accessory
veins; teeth 5, slightly irregular. Corolla purple to blue, rarely yellow or white, 2-lipped, often persistent
in fruit; tube
straight to slightly curved
, base
slightly bent/swollen; throat
slightly dilated
, villous
annulate
, rarely glabrous
inside; upper lip straight, entire to 2-lobed; lower lip elongate, 3-lobed, with middle
lobe
obcordate
to nearly flabellate
and lateral
lobes oblong
. Stamens 4, didynamous
, exserted from upper lip, involute
in bud, anterior 2 longer
; filaments
straight to slightly curved; anther
cells
2, apically confluent
. Style subequally 2-cleft, lobes subulate
. Nutlets
obovoid
, triquetrous
, netted
on back, lateral-ventral side with an areole 1/2-2/3 its length
, with an elaiosome.
About 40-50 species: Asia, Europe, especially in the Near East; 18 species in China.[1]
Physical Description
Flowers: Bloom Period: April, May. • Flower Color: dark blue
Size/Age/Growth
Size: under 6" tall.
Biology
Growth
Culture: Space 12-15" apart.
Soil: Minimum pH: 6.1 • Maximum pH: 7.8
Sunlight: Sun Exposure: Light Shade.
Temperature: Cold Hardiness: 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a. (map)
Taxonomy
- Domain:
Eukaryota
(
)
- Whittaker & Margulis,1978
- eukaryotes
- Kingdom:
Plantae
()
- Haeckel, 1866
- Plants
- Subkingdom:
Viridaeplantae
()
- Cavalier-Smith, 1981
- Phylum:
Tracheophyta
()
- Sinnott, 1935 ex Cavalier-Smith, 1998
- Vascular Plants
- Subphylum:
Euphyllophytina
()
- (Auct.) Cavalier-Smith, 1998
- Infraphylum:
Angiospermae
()
- Auct.
- Class:
Spermatopsida
()
- Brongniart, 1843
- Subclass:
Asteridae
()
- Takhtajan, 1967
- Superorder:
Lamianae
()
- Takhtajan, 1967
- Order:
Lamiales
()
- Bromhead, 1838
- Family:
Labiatae
()
- A.L. de Jussieu, 1789, nom. cons., nom. alt.
- Subfamily:
Ajugoideae
()
- Subfamily:
Ajugoideae
(
- Family:
Labiatae
(
- Order:
Lamiales
(
- Superorder:
Lamianae
(
- Subclass:
Asteridae
(
- Class:
Spermatopsida
(
- Infraphylum:
Angiospermae
(
- Subphylum:
Euphyllophytina
(
- Phylum:
Tracheophyta
(
- Subkingdom:
Viridaeplantae
(
- Kingdom:
Plantae
(
Similar Species
Members of the genus Ajuga
ZipcodeZoo has pages for 30 species, subspecies, varieties, forms, and cultivars in this genus:
A. australis (Australian Bugle) · A. chamaepitys (Yellow Bugle) · A. chamaepitys f. biennis (Yellow Bugle) · A. genevensis (Blue Bugle) · A. genevensis 'Pink Beauty' (Geneva Bugleweed) · A. pyramidalis (Erect Bugle) · A. pyramidalis 'Metallica Crispa' (Carpet Bugle) · A. pyramidalis 'Purple Crispa' (Bugleweed) · A. reptans (Bugelweed) · A. reptans 'Arboretum Giant' (Bugle) · A. reptans 'Black Scallop' (Black Scallop Bugleweed) · A. reptans 'Braunherz' (Bugle) · A. reptans 'Bronze Beauty' (Bronze Beauty Bugleweed) · A. reptans 'Burgundy Glow' (Bugle) · A. reptans 'Catlins Giant' (Bugle) · A. reptans 'Emerald Chip' (Ajuga) · A. reptans 'Gaiety' (Bugle) · A. reptans 'Golden Beauty' (Bugleweed) · A. reptans 'Golden Glow' (Ajuga) · A. reptans 'Jungle Beauty' (Jungle Beauty Bugle Weed) · A. reptans 'Mahogany' (Ajuga) · A. reptans 'Min Crispa Red' (Bugle) · A. reptans 'Pink Splendour' (Bugle) · A. reptans 'Planet Zork' (Planet Zork Bugleweed) · A. reptans 'Purple Brocade' (Bugle) · A. reptans 'Purple Torch' (Bugle) · A. reptans 'Silver Beauty' (Bugleweed) · A. reptans 'Valfredda' (Bugle) · A. reptans 'Variegata' (Bugle) · A. x 'Chocolate Chip' (Bugleweed)
More Info
- Search for Pictures: images.google.com
- Search for Scholarly Articles: Google Scholar
- Search using Scientific Name and Vernacular Names: All the Web | AltaVista Canada | AltaVista | Excite | Google | HotBot | Lycos
- Search using Specialized Databases: GenBank | Medline | Scirus | CISTI/CAL | Agricola Periodicals | Agricola Books
Further Reading
Notes
Contributors
- Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 10, 2012.
Identifiers
- Zipcode Zoo Species Identifier: 968374
Footnotes
- "Ajuga". in Flora of China Vol. 17 Page 63. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
