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Published In: Species Plantarum 2: 588. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Contributor Text: I.C. Hedge
General/Distribution: About 38 species mostly in the countries of the east Mediterranean; some are used as culinary herbs.

 

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Perennial herbs and subshrubs, pleasantly aromatic, pilose with simple hairs or glabrous. Leaves undivided, entire, gland-dotted, petiolate. Vertiallasters 2 (-many)-flowered in spikes usually forming paniculate inflorescences. Bracts distinct from leaves, often imbricate, coloured or not. Flowers hermaphrodite or male sterile (plants gynodioecious). Calyx equally 5-toothed or not, tubular-campanulate, 10-13-nerved, herbaceous, throat densely vinous or not. Corolla bilabiate, rose, purple or white; upper lip emarginate, straight; lower lip spreading 3-lobed, as long as upper; tube included or exserted from calyx. Stamens 4, didynamous, anterior pair longer than posterior, included or exserted; thecae 2-locular, divergent. Style with 2 acute unequal lobes. Nutlets smooth, ovoid or oblong, brown.
 

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1 Calyx with 5 subequal teeth; bracts loosely imbricate, glabrous or pilose; calyx throat densely villous 1 Origanum vulgare
+ Calyx sheath-like, split to near base; bracts tightly imbricate, densely tomentose; calyx throat ± glabrous [cultivated] 2 Origanum majorana
 
 
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