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Pakistan | Family List | Labiatae

57. Acrocephalus Benth. in Edward’s Bot. Reg. 15: post t. 1282. 1829. Benth. in DC., Prodr. 12: 47. 1848; Hook. f., Fl. Brit. Ind. 4: 611. 1885; Briquet in Engler & Prantl, Nat. Pfanzenfam. ed. 1, 4, 3A: 365. 1897; Mukerjee in Rec. Bot. Surv. Ind. 14, 1: 29. 1940; Keng in van Steenis, Fl. Males. 8, 3: 364. 1978.

I.C. Hedge

Annuals. Stems branched, erect, with an indumentum of simple hairs. Leaves undivided, petiolate or sessile, crenate or serrate. Inflorescence of dense axillary and terminal ovoid or oblong heads; verticillasters many-flowered. Bracts large, hidden within heads, subtending several flowers, imbricate. Flowers white to pink, very small. Calyx tubular-campanulate, bilabiate, 7-10-nerved, apparently with one large entire upper lobe and 4 lower teeth; tube glabrous at throat; calyx enlarging in fruit, flattened above with converging lips. Corolla scarcely bilabiate, subequally 5-lobed, slightly or not longer than calyx. Stamens 4, inconspicuously declinate; thecae glabrous unilocular. Nutlets very small, smooth or finely papillate.

About 30 species in the Old World tropics, but the total varies according to the circumscription of the genus.

Lower Taxon

Related Synonym(s):


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