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(Last Modified On 4/4/2013)
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(Last Modified On 4/4/2013)
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Genus
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Marsypianthes Mart. ex Benth.
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PlaceOfPublication
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Lab. Gen. et Sp. 64, 1833.
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Description
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Herbs prostrate or erect, often somewhat viscid. Leaves opposite, simple, petiolate, pinnately-nerved, membranaceous or rugose, generally dentate. Inflores- cences capitula, loosely-flowered and pedunculate, or rarely flowers solitary, the bracts linear-lanceolate to ? ovate or awl-shaped. Flowers sessile or shortly pedi- cellate; bracteoles not apparent; calyx campanulate or funnelform, ? actinomor- phic, with 5 ? equal lobes, lanceolate to deltoid; corolla tubular, bilabiate, the upper lip 2-lobed, the lower lip prominently 3-lobed, the middle lobe saccate; stamens 4, paired, mounted near the top of the corolla throat, decurved into the lower saccate lip, the filaments short, distinct, the connective not developed, the anthers with 2 functional thecae; ovary 4-lobed, the gynobase unlobed, the style bifid near the tip, the branches ? even. Nutlets 4, attached laterally to a columnar extension of the gynobase and ? open along this line at maturity.
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Habit
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Herbs
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Distribution
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Three species in tropical and subtropical America: M. chamaedrys in the West Indies and Mexico, south to Brazil and Peru; and two closely related species, M. montana Benth. (including M. foliolosa Benth.) from Brazil and M. hassleri Briq. from Paraguay and Brazil.
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Reference
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Epling, C. C. Supplementary notes on American Labiatae. VII. Brittonia 12: 140-150, 1960.
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