Subfamily
VII. Subfam. Nepetoideae (Dumort.) Luerss. (1882).
VII. 2. Tribe Mentheae Dumort. (1827).
VII. 2. C. Subtribe Nepetinae Coss. & Germ. (1845).
Description
Stoloniferous perennial herbs, not aromatic, often gynodioecious; leaves simple; inflorescence of distant, few-flowered cymes, shortly pedunculate to sessile, in axils of bracts; bracts leaf-like; bracteoles subulate, inconspicuous; calyx tubular to campanulate, slightly curved near throat, indistinctly 2-lipped, 5-lobed (3/2), lobes equal, broadly triangular to linear; corolla strongly 2-lipped (2/3), blue-violet, lilac or pink, posterior lip straight, 2-lobed, anterior lip with median lobe flat or concave, flabellate or reniform, margin undulate or entire, tube longer than calyx, gradually or abruptly dilated toward throat; stamens of hermaphrodite flowers exserted from tube, included under lip of corolla, inserted near throat, filaments parallel, thecae divergent at 90°; nutlets oblong-ovoid, smooth, areole basal, orbicular or elliptic. 2n = 18, 24, 36. Four to eight species. Mostly in grasslands, forest margins and streamsides of temperate Eurasia; cultivated in N and S America.Distribution
Native to:
10 Northern Europe11 Middle Europe12 Southwestern Europe13 Southeastern Europe14 Eastern Europe30 Siberia31 Russian Far East32 Middle Asia33 Caucasus34 Western Asia36 China38 Eastern Asia41 Indo-China
Introduced to:
21 Macaronesia51 New Zealand70 Subarctic America71 Western Canada72 Eastern Canada73 Northwestern U.S.A.74 North-Central U.S.A.75 Northeastern U.S.A.76 Southwestern U.S.A.78 Southeastern U.S.A.85 Southern South America
Synonyms
Chamaeclema Moench, Methodus: 393 (1794).
Glechonion St.-Lag., Ann. Soc. Bot. Lyon 7: 126 (1880).
Chamaecissos Lunell, Amer. Midl. Naturalist 4: 516 (1916).
Meehaniopsis Kudô, Mem. Fac. Sci. Taihoku Imp. Univ. 2: 236 (1929).
Publication
Glechoma L., Sp. Pl. 2: 578 (1753); Budantsev, Bot. Zhurn. 77, 12: 118-128 (1992), rev.
Image resource
© Royal Botanic Gardens, Kew