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

Shrub, usually gynodioecious, densely pubescent with simple hairs; leaves toothed, petiolate; inflorescence thyrsoid, dense and much branched; bracts small; bracteoles small; flowers very small; calyx deciduous in fruit, 5-lobed, lobes subequal, strongly accrescent in fruit, becoming very long, narrowly linear and plumose; corolla indistinctly 2-lipped, 5-lobed (2/3), purplish to white, posterior lip short, flat, emarginate; stamens spreading, those of hermaphrodite flowers exserted, filament glabrous, anthers about as long as wide, thecae confluent; stigma-lobes subequal, rather long; nutlets 1(- 4), connate to calyx, very small, rounded and eglandular-hairy at apex. 2n = 32.  One sp., C. oppositifolia Sm., in savannas and dry thickets, from N Pakistan and India to S China (Yunnan) and Thailand.

Distribution

Native to:

36 China
40 Indian Subcontinent
41 Indo-China

Synonyms

Buchanania Sm., Exot. Bot. 2: 115 (1806).

Sussodia Buch.-Ham. ex D.Don, Prodr. Fl. Nepal.: 104 (1825).

Publication

Colebrookea Sm., Exot. Bot. 2: 11 (1806).

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© Royal Botanic Gardens, Kew