VII. Subfam. Nepetoideae (Dumort.) Luerss. (1882).
VII. 2. Tribe Mentheae Dumort. (1827).
VII. 2. B. Subtribe Menthinae (Dumort.) Endl. (1838).
Shrubs or subshrubs with simple or rarely branched hairs ( H. marifolia (Schau.) Epling); leaves gland-dotted, entire or sometimes toothed; inflorescences of 1-3-flowered cymes, sessile or axillary in axils of bracts; bracts usually leaf-like; calyx weakly 2-lipped, 5-lobed (3/2), anterior lip longer than posterior, with deeper sinus between lobes, lobes deltoid-lanceolate or acuminate, not connivent, tube 13-15-nerved, annulate within shortly below lobes; corolla bluish purple, lilac, pink or rarely white, 2-lipped, 5-lobed (2/3), posterior lip weakly bilobed, erect, shorter to slightly longer than anterior lip, tube usually curved and widening broadly above (except in H. marifolia ); stamens 2 (anterior pair usually absent), filaments slightly arcuate, ascending under posterior lip, thecae widely divaricate at 180°, distinct, connective strongly developed; style glabrous or rarely hairy; stigma-lobes unequal, posterior shorter; disc ± symmetrical; nutlets obovoid-oblong, dark brown, finely verrucose, slightly mucilaginous. 2n = 44. About eight species, southern Brazil and Mexico.
Native to:79 Mexico84 Brazil
Hesperozygis Epling, Rep. Spec. Nov. Beih. 85: 132 (1936), rev. reg.; Epling & Stewart, Rep. Spec. Nov. Beih. 115: 12?14 (1939), rev.
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