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(Last Modified On 4/4/2013)
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(Last Modified On 4/4/2013)
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Species
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Hyptis conferta Pohl ex Benth.
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PlaceOfPublication
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Lab. Gen. et Sp. 112, 1833.
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Synonym
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Mesosphaerum confertum (Pohl ex Benth.) 0. Ktze., Rev. Gen. P1. 2: 526, 1891. Hyptis constricta Briq., Ann. Conserv. Jard. Bot. Geneve, 2: 217, 1898.
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Description
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Herbs, perennial, coarse, to 1.5 m, appressed-pubescent on the branches. Leaves lanceolate or narrowly elliptical (in Pan'ama), acute, serrate, the bases attenuate, to 18 cm long and 2.5 cm wide, glabrous or densely soft-pubescent above, glabrous or pubescent on the veins beneath, the midrib and secondary veins pronounced; sessile to petioles ca 0.5 cm long. Inflorescences capitula, dense, axillary, ? hemispherical, the peduncles ca 1-4 cm long, the bracts lan- ceolate or awl-shaped, ca 8-9 mm long, densely pubescent. Flowers sessile, tufts of hairs at the bases; calyx tubular-campanulate, ca 3-4 mm long at maturity, pilose-annulate within above the nutlets, the teeth acicular to setaceous, ca 3-4 mm long; corolla tube ca 4.5-5 mm long, white and rose, the lower lip ca 1.5- 1.8 mm long, the lips and tube lightly pubescent; stamens exserted, the filaments sparsely pubescent near the base, the anthers ca 0.4 mm long; gynobase some- what elongated, becoming lobed, the style minutely bifid near the tip. Nutlets 4, oblong-flattened, the lobes of the gynobase adhering, ca 1.5-1.6 mm long, brown.
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Habit
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Herbs
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Distribution
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A common species in the American tropics, found mostly at lower elevations, from Mexico to southern Brazil, and west to Bolivia.
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Specimen
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CHIRIQUI: Boquete, Pittier 2862 (GH). PANAMA: rd betw Chepo and Panama, Dodge et al. 16648a (MO); savanna nr Rio Pacora and Chepo Hwy, Duke 5911 (GH).
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