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Pakistan | Family List | Labiatae

53. Colebrookea Smith, Exot. Bot 2: 11, t. 115 (as Buchanania). 1806. Benth. in DC., Prodr. 12: 158 1848; Hook f., Fl. Brit. Ind. 4: 642. 1885; Briquet in Engler & Prantl, Nat. Pflanzenfam. ed. 1, 4, 3A: 331. 1897; Mukerjee in Rec. Bot. Surv. Ind. 14, 1: 84. 1940; Rech. f, Fl. Iran. 150: 573. 1982.

I.C. Hedge

Tall robust shrubs or herbs with a greyish bark and a ± dense eglandular indumentum. Leaves opposite or in whorls of 3s, not divided, large, oblong-elliptic, crenate, petiolate. Inflorescence paniculate of numerous long slender spikes; verticillasters dense, congested, many-flowered. Bracts connate. Flowers very small, often unisexual. Calyx not or scarcely bilabiate, campanulate with a very short tube, 5-toothed; teeth greatly elongating at fruiting, becoming capillary and plumose. Corolla ± bilabiate, 4-5-lobed. Stamens when present and mature 4, exserted beyond corolla mouth; thecae 1-locular, ± circular. Style ± equally bifid. Nutlets ellipsoid-ovoid, pilose at apex.

Monotypic and without clear generic allies. Very distinctive on account of the tall robust habit, the panicles of slender flowering spikes and the very long capillary-plumose teeth of the fruiting calyx.

Lower Taxon

Related Synonym(s):


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