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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, densely pubescent with simple hairs; leaves with blade ovate-cordate; inflorescence thyrsoid, cymes up to 5-flowered; bracts small; calyx 2-lipped, strongly accrescent in fruit, 5-lobed (1/2/2), posterior lip very broad, rounded-truncate at apex, with upcurved margin in fruit, lateral lobes smaller and triangular, lower lobes about as long as posterior lobe, narrowly triangular-acuminate; corolla strongly 2-lipped, 4-lobed (1/3), purple, posterior lip moderately long, shallowly hooded, entire; stamens not exserted from corolla, thecae confluent; stigma-lobes unequal; nutlets c. 1 x 1 mm, rounded at apex, pitted, glossy, glabrous.  One sp., P. gracile Dunn, wet areas in forests, N Burma, S China (Yunnan) and N Vietnam.

Distribution

Native to:

36 China
40 Indian Subcontinent
41 Indo-China

Publication

Paralamium Dunn, Notes Roy. Bot. Gard. Edinburgh 8: 168 (1913).

Image resource

© Royal Botanic Gardens, Kew

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