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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 pectinata (L.) Poit.
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PlaceOfPublication
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Ann. Mus. Hist. Nat. Paris 7: 474, p1. 30, 1806.
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Synonym
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Nepeta pectinata L., Sp. P1. 799, 1753. Mesosphaerum pectinatum (L.) 0. Ktze., Rev. Gen. P1. 2: 525, 1891.
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Description
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Herbs, perennial, to 3 m, stems pubescent and generally scabrous along the angles. Leaves ovate to ? deltoid, acute, double serrate, the bases truncate to slightly obtuse, to 3.5(-8) cm long 2(-4.5) cm wide, pubescent on both surfaces, densely so beneath, sparsely resin-dotted; petioles to 5 cm long on maturet leaves. Inflorescences cymes, each with 2-3 semi-scorpioid branches, the peduncles ca 1-2 mm long, the bract leaf-like, 3-4 mm long. Flowers subsessile; bracteole linear, ca 3-4 mm long, pubescent; calyx tubular, ca 2 mm long at maturity, 10-ribbed, pubescent, the teeth spinulose, ca 1-2 mm long, a conspicuous tuft of white hairs between the teeth; corolla tube ca 1.5 mm long, exserted, rose-purple above, ? cream below, pubescent, small and inconspicuous, the lips ca 0.5-0.6 mm long; stamens ? sessile, the anthers ca 0.1 mm long; gynobase somewhat lobed, style seemingly enclosed. Nutlets 3-4, oblong, ca 0.7-0.9 mm long.
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Habit
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Herbs
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Distribution
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A widespread but not abundant weed of the American tropics; to be expected at lower elevations.
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Specimen
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DARIEN: Cerro Pirre, Duke & Elias 13676 (MO). LOS SANTOS: 17.8 mi S of Macara- cas, Lewis et al. 1614 (MO); 25 mi SW of Tonosi, headwaters of Rio Pedregal, Lewis et al. 2963 (MO). PANAMA: Cerro Jefe, Duke 9389 (MO), Dwyer et al. 7267 (MO); Isla del Rey, Duke 9544 (MO).
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