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Photos: Harley, R.

Photos: Harley, R.

Photos: Harley, R.

 

Photos: Harley, R.

Subfamily

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

VII. 3. Tribe Ocimeae Dumort. (1829).

VII. 3. C. Subtribe Hyptidinae Endlicher (1838).

Description

Subshrubs or perennial herbs, often geoxylic, aromatic and glandular-viscid; leaves simple, toothed; inflorescence thyrsoid, of axillary cymes, pedunculate or not; cymes 1-3- to many-flowered and then in spherical heads; bracts present, narrowly elliptic-lanceolate to linear, in many-flowered cymes often forming a lax involucre; bracteoles as bracts; flowers shortly pedicellate; calyx infundibuliform, straight, actinomorphic, 5-lobed, often purple-tinged and sometimes conspicuously so, lobes equal, broadly to narrowly deltoid, apex acute to subulate, erect or connivent at first and often becoming spreading to reflexed in fruit; corolla strongly 2-lipped, 5-lobed (2/3), violet-blue, lilac or rarely cream, anterior lip with median lobe often much shorter than others, lateral lobes directed forward, tube cylindric, straight; stamens with-filaments hairy; style jointed, deciduous above, its persistent base fused to carpels along their inner face; disc well-developed, almost encircling ovary; nutlets cymbiform, dorsally smooth, convex, ventral surface fused to style base, on separation concave with involute, laciniate margin, dorsal surface weakly mucilaginous.  2n = 30.  Five to six species, savannas and coastal dunes, Brazil, Paraguay and Argentina, with the weedy M. chamaedrys (Vahl) Kuntze from Mexico southwards and widespread in the neotropics.

Distribution

Native to:

79 Mexico
80 Central America
81 Caribbean
82 Northern South America
83 Western South America
84 Brazil
85 Southern South America

Synonyms

Marsypianthus Benth. (sphalm., 1833).

Publication

Marsypianthes Mart. ex Benth., Labiatarum Genera et Species: 53, 64 (1833); Epling, Rep. Spec. Nov. Beih. 85: 184-186 (1936), rev.

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Image resource

Royal Botanic Gardens, Kew