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21. Galeopsis L., Sp. Pl. 579. 1753. L., Gen. Pl. ed. 5: 252. 1754; Beath. in DC., Prodr. 12: 497. 1848; Briquet in Mem. Cour. Acad. Roy. Sc. Belg. 52, 9: 1-323. 1872; Hook. f., Fl. Brit. Ind. 4: 677. 1885; Briquet in Engler & Prantl, Nat. Pflanzenfam. ed. 1, 4, 3A: 252. 1896; Muntzing, Outlines to a genetic monograph of the genus Galeopsis, in Hereditas 13: 185-341. 1930; Mukerjee in Rec. Bot. Surv. Ind. 14, 1: 158. 1940; Juzepczuk in Komarov, Fl. URSS 21: 111. 1954.
I.C. Hedge
Annual erect herbs with stiff long hispid hairs. Stems erect, often unbranched. Leaves ovate to elliptic, not divided, serrate, petiolate. Flowers in few- to many-flowered, distant, few verticillasters in axils of upper leaves. Bracts with subulate tips. Calyx ovate-campanulate, 10-nerved, not bilabiate; teeth subequal 5, subulate-spiny; tube glabrous within. Corolla bilabiate, longer than calyces; upper lip hooded with villous hairs; lower lip 3-lobed with 2 basal conical appendages; tube slender, exserted, annulate within. Stamens 4, didynamous, anterior pair longer; thecae bilocular, diverging, glabrous, inner valves fimbriate at margins. Style subequally bifid. Nutlets obovoid, scarcely trigonous, apically rounded.
About 10 mainly Eurasian species; hybridization is frequent.
Lower Taxon
Related Synonym(s):
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