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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

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 China

Synonyms

* 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)

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Image resource

© Royal Botanic Gardens, Kew