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
Perennial herb, rhizomatous, with stellate hairs; basal leaves long-petiolate, sagittate; inflorescence thyrsoid, with many-flowered cymes; bracteoles partly adnate to flowers; calyx actinomorphic, 5-lobed, lobes equal, spinescent; corolla strongly 2-lipped, 5-lobed (2/3), purple, posterior lip straight, anterior lip with lateral lobes short, oblong to ovate, median lobe reniform, emarginate, tube included in calyx-tube, annulate; stamens included in corolla-tube, filaments pubescent; stigma-lobes unequal. One species, M. sagittatum (Regel) C.Y. Wu & H.W. Li. Steppe slopes of Kazakhstan, Kyrgyzstan, W China (Xinjiang).
Distribution
Native to:
32 Middle Asia 36 ChinaSynonyms
* Metastachys Knorring in V.L.Komarov, Fl. URSS 21: 652 (1954), nom. illeg., (1959), non (Benth. & Hook.) Teigh.
* Basionym/Replaced Synonym
Publication
Metastachydium Airy Shaw ex C.Y. Wu & H.W. Li, Fl. Reipubl. Popularis Sin. 66: 28 (1977)Image resource
© Royal Botanic Gardens, Kew