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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

Low ericoid shrubs, aromatic, with simple hairs; leaves sessile, linear-lanceolate, entire, tightly revolute; inflorescence a terminal, ovoid-spiciform thyrse; flowers sessile; calyx actinomorphic, not accrescent, tubular-campanulate to campanulate, obscurely 5- or 15-nerved, 5-lobed, lobes subequal, lanceolate, as long as or longer than tube, throat glabrous; corolla lavender, 2-lipped, posterior lip entire or emarginate, anterior lip 3-lobed, lobes subequal, entire, corolla-tube straight; stamens 4, didynamous, all exserted or posterior pair included, filaments glabrous, thecae separate at dehiscence, those of anterior pair usually parallel, those of posterior pair often asymmetrically attached (one theca parallel with filament, the other divergent); stigma-lobes equal to subequal; disc symmetrical; nutlets broadly ellipsoid to ovoid, smooth, glabrous.  One species, Piloblephis rigida (Bentham) Raf., dry pinelands and oak scrub in the SE United States (Florida and Georgia).

Distribution

Native to:

78 Southeastern U.S.A.

Synonyms

Pycnothymus (Benth.) Small, Fl. S.E. U.S.: 1042 (1903).

Publication

Piloblephis Raf., New Fl. 3: 52 (1838).

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Image resource

Royal Botanic Gardens, Kew