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).
Perennial herbs with simple hairs; leaves toothed, shortly petiolate or sometimes subsessile; inflorescence lax, thyrsoid, with cymes lax, pedunculate, up to 4-11-flowered; flowers large (30-50 mm long); calyx 2-lipped, 5-lobed, lobes subequal or more often unequal (1/4) with posterior lip shorter; corolla weakly 2-lipped, 4-lobed (1/3), purple to white, posterior lip short, scarcely hooded, entire, corolla-tube strongly dilated in distal part, not annulate; stamens about as long as corolla-tube, anthers bearded on distal sides of thecae, thecae distinct; stigma-lobes subequal or unequal; nutlets 1(-3), with fleshy mesocarp, rounded at apex, smooth. Two spp., in forests, C and S China,Taiwan.
36 China38 Eastern Asia
Bostrychanthera Benth. in Benth. & Hooker, J.D., Gen. Pl. 2: 1170 (1876).
© Royal Botanic Gardens, Kew