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Genus Origanum Family Lamiaceae

Description: Subshrub or perennial herb, variously hairy or glabrous, gland-tipped hairs and sessile glands present; branches many, ascending or erect.

Leaves ovate to rounded; margins entire or shortly toothed; apex obtuse to acuminate; ± sessile or petiolate.

Inflorescence terminal with flowers in dense or sometimes loose head- or spike-like clusters; bracts always distinct from leaves in shape and size. Calyx tubular or sometimes campanulate, 5 ± equal lobes, or 2- or 1-lipped. Corolla 2-lipped, 1.5–4 times as long as calyx. Stamens 4, fertile. Ovary 4-lobed; style gynobasic; stigma 2-fid.

Mericarps ovoid, not keeled.


Distribution and occurrence: World: 13 species, northern temperate regions. Australia: 1 species (doubtfully naturalized).

Text by B. J. Conn
Taxon concept:

One species in NSW: Origanum vulgare

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