VII. Subfam. Nepetoideae (Dumort.) Luerss. (1882).
VII. 2. Tribe Mentheae Dumort. (1827).
VII. 2. B. Subtribe Menthinae (Dumort.) Endl. (1838).
Shrubs, subshrubs, and rhizomatous perennial herbs, strongly aromatic, with simple hairs; leaves sessile to short-petiolate, simple, toothed (usually finely) or entire; inflorescence of terminal and axillary cymes (occasionally reduced to solitary flowers), a terminal paniculiform or spiciform thyrse, or involucrate terminal and subterminal glomerules; calyx actinomorphic or zygomorphic, occasionally 2-lipped (3/2), not accrescent, cylindrical to tubular-campanulate, usually 10-13-nerved, 5-lobed, lobes deltoid to subulate, throat usually densely hairy; corolla lavender to white, weakly zygomorphic to 2-lipped (2/3), posterior lip usually emarginate, anterior 3 lobes occasionally forming a lip but more often fully separate above tube, tube straight to slightly downcurved; stamens 2 fertile (posterior pair reduced to staminodes or absent), exserted, filaments glabrous, thecae parallel to divaricate, separate at dehiscence; stigma-lobes equal to subequal; disc ± symmetrical; nutlets ellipsoid-trigonal, smooth, glabrous. 2n = 28. About 15 species with a disjunct distribution, occurring from eastern North America to Panama and in southern South America (SE Brazil, NE Argentina, Uruguay, Paraguay).
Native to:74 North-Central U.S.A.75 Northeastern U.S.A.77 South-Central U.S.A.78 Southeastern U.S.A.79 Mexico80 Central America84 Brazil85 Southern South America
Mappia Heist. ex Fabr., Enum.: 58 (1759), nom. illeg.
Hedyosmos Mitch., Diss. Bot. Zool.: 33 (1769).
Cunila D. Royen ex L., Syst. Nat., ed. 10, 2: 1359 (1759), nom. cons.; Epling, Rep. Spec. Nov. Beih. 85: 138-142 (1936), rev.
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