Photos: Bramley, G.

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

Stout perennial herbs or subshrubs, with simple hairs; leaves toothed, petiolate; inflorescence thyrsoid with 5- to many-flowered cymes; calyx 5-lobed, lobes equal or subequal (3/2); corolla strongly 2-lipped, 4-lobed (1/3), white to purple, posterior lip moderately long, slightly hooded, entire, rather narrow, anterior lip much longer than posterior; stamens with posterior pair longer than anterior, slightly longer than posterior lip of corolla, anthers dimidiate due to abortion of one theca, thecae of anterior anthers ±distinct; stigma-lobes subequal; nutlets rounded at apex, smooth, glossy. 2n = 30, 32, 34, 40.  Two to three species, secondary habitats, tropical Africa, S and SE Asia, NE Australia.

Distribution

Native to:

36 China
38 Eastern Asia
40 Indian Subcontinent
41 Indo-China
42 Malesia
43 Papuasia
50 Australia

Introduced to:

81 Caribbean

Present, but doubtfully native in:

22 West Tropical Africa
29 Western Indian Ocean
60 Southwestern Pacific

Synonyms

Epimeredi Adans., Fam. Pl. 2: 192 (1763) - nom. gen. inval.

Publication

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Image resource

© Royal Botanic Gardens, Kew