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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

Small, fastigiate shrub, aromatic; leaves simple, entire, subsessile; inflorescence of 2-8-flowered axillary cymes, shortly pedunculate or sessile, forming dense verticillasters on upper part of stem, often somewhat congested; bracts leaf-like; bracteoles inconspicuous; flowers subsessile; calyx long-cylindrical, actinomorphic, equally 5-lobed, lobes subulate, tube 10-nerved, 5-angled, 5 main nerves along crest of narrow wings, alternating with 5 weaker nerves in lower half of membranous intercostal furrows, throat hairy within; corolla ± actinomorphic to weakly 2-lipped, 5-lobed (2/3), pink, lobes subequal, corolla-tube cylindrical, very narrow, slightly longer than calyx, exannulate; stamens 4, subequal, included in corolla, filaments straight, anterior slightly longer, anthers ellipsoidal, thecae ± parallel, distinct; stigma-lobes subequal; nutlets oblong, glabrous.  One sp., P. subulifera Hand.-Mazz., dry limestone slopes, 400-1000 m, N Iraq.

Distribution

Native to:

34 Western Asia

Publication

Pentapleura Hand.-Mazz., Öst. Bot. Zeitschr. 63: 225 (1913); Rechinger, Flora Iranica 150: 553 (1982); Davis, Flora of Turkey 7: 313 (1982).

Image resource

© Royal Botanic Gardens, Kew

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