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Photos: Bramley, G.

Photos: Bramley, G.

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

Shrubs or perennial herbs, with branched and simple hairs; leaves toothed, petiolate; inflorescence terminal, or sometimes on separate short shoots at base of plant, thyrsoid or sometimes racemoid; calyx 5-lobed, lobes equal or subequal; corolla 2-lipped, 4-lobed (1/3), purplish-red, yellow or white, posterior lip short or moderately long, shallowly hooded, entire or emarginate, corolla-tube mostly strongly dilated in distal part; stamens not or only very shortly exserted, thecae weakly distinct, parallel or narrowly divergent; stigma-lobes subequal or unequal; nutlets 1- 4, ± fleshy, rounded at apex.  2n = 34.  About 36 spp., mostly in moist forests and at forest margins, SW China, India to Indo-China, Malaysia and Indonesia.

Distribution

Native to:

36 China
38 Eastern Asia
40 Indian Subcontinent
41 Indo-China
42 Malesia

Synonyms

Taitonia Yamam., J. Soc. Trop. Agric. 10: 277 (1938).

Publication

Gomphostemma Wall. ex Benth., Edward's Bot. Reg. 15: t. 1292 (1830); Prain, Ann. Roy. Bot. Gard. Calcutta 3: 227-271, pl. 75-105 (1891).

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Image resource

© Royal Botanic Gardens, Kew