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Subfamily
VI. Subfam. Lamioideae Harley (2003)
Subfam. Stachyoideae (Dumort.) Luerss. (1882); Briq. in Engl. & Prantl (1895) et auct. mult., p.p., typ. incl.
Subfam. Prasioideae (Benth.) Thomé (1889)
Subfam. Pogostemonoideae P.D. Cantino, Harley & Wagstaff in Harley & Reynolds (1992).
Description
Annual or perennial herbs or subshrubs, with simple hairs; leaves usually narrow, ± toothed, petiolate or at least narrowed at base; inflorescence thyrsoid; calyx zygomorphic or almost actinomorphic, 5-10-lobed, lobes equal or variously unequal, usually ± spinose; corolla strongly 2-lipped, 4-lobed (1/3), white; posterior lip long, slightly hooded, outside ± densely pubescent; anterior lip slightly longer than the posterior lip; stamens included in corolla-tube, thecae confluent; style included in corolla-tube, hairy, obliquely entire at apex; nutlets trigonous, truncate or subtruncate and usually with sessile glands at apex. 2n = 26. Six spp., dry places, South tropical and Southern Africa.
Distribution
Native to:
27 Southern Africa
Publication
Acrotome Benth. ex Endl., Gen. Pl. 1: 627 (1838); Codd, Fl. Southern Africa 28, 4: 19-23 (1985).
Species found in RBG Kew living collections
Image resource
© Royal Botanic Gardens, Kew