Glechoma L.

Harley, R.M. et al. (2004). Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Springer-Verlag, Berlin, Heidelberg, New York.

Morphology General Habit

Stoloniferous perennial herbs, not aromatic, often gynodioecious

Morphology Leaves

Leaves simple

Morphology Reproductive morphology Inflorescences

Inflorescence of distant, few-flowered cymes, shortly pedunculate to sessile, in axils of bracts

Morphology Reproductive morphology Inflorescences Bracts

Bracts leaf-like

Morphology Reproductive morphology Inflorescences Bracteoles

Bracteoles subulate, inconspicuous

Morphology Reproductive morphology Flowers Calyx

Calyx tubular to campanulate, slightly curved near throat, indistinctly 2-lipped, 5-lobed (3/2), lobes equal, broadly triangular to linear

Morphology Reproductive morphology Flowers Corolla

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 th

Morphology Reproductive morphology Flowers Androecium Stamens

Stamens of hermaphrodite flowers exserted from tube, included under lip of corolla, inserted near throat, filaments parallel, thecae divergent at 90°

Morphology Reproductive morphology Fruits

Nutlets oblong-ovoid, smooth, areole basal, orbicular or elliptic.

Note

2n = 18, 24, 36.  Four to eight species.

Ecology

Mostly in grasslands, forest margins and streamsides

Distribution

Native from temperate Eurasia; cultivated in Northern and Southern America.