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Subfamily

VII. Subfam. Nepetoideae (Dumort.) Luerss. (1882).

VII. 2. Tribe Mentheae Dumort. (1827).

VII. 2. B. Subtribe Menthinae (Dumort.) Endl. (1838).

Description

Annual herb, weakly aromatic; leaves simple, crenate to dentate or pinnately lobed; inflorescence of 6-flowered verticillasters, merging to form a terminal, subcapitate thyrse; bracts conspicuous, ciliate, pectinate-pinnatifid, segments aristate; calyx 2-lipped (3/2), campanulate, 10-nerved; posterior lobes deltoid, anterior lobes longer, all straight; corolla 2-lipped (1/3), violet-purple to whitish, posterior lobe emarginate, vertical, anterior lip with median lobe whitish, suborbicular, emarginate, horizontal, lateral lobes suborbicular, truncate, tube infundibular; stamens 4, didynamous, posterior shorter, anterior pair exserted from tube, filaments glabrous, thecae ellipsoidal, confluent, connective appendaged; stigma-lobes 4, short, subequal; nutlets ovoid, smooth. 2n =20.  One species: C. lusitanica L., frequently on gypsiferous soils, Iberian peninsula, NW Africa.

Distribution

Native to:

12 Southwestern Europe
20 Northern Africa

Publication

Cleonia L., Sp. Pl. 2 ed. 2: 837 (1763).

Image resource

Royal Botanic Gardens, Kew

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