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(Last Modified On 8/15/2013)
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(Last Modified On 8/15/2013)
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Species
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Lamourouxia viscosa Kunth
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PlaceOfPublication
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Nov. Gen. 2, ed. folio 272. 1817.
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Note
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TYPE: Mexico, Humboldt & Bonpland (P-H.B.K. & P, fide Ernst 1972, neither seen)
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Description
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Erect herbs or shrubs to 2(3) m tall; sometimes unbranched, the branches and stems slender, scurfy tomentulose with greyish indumentum, the hairs weak, blackish, several celled, sometimes branched; stems mostly terete. Leaves op- posite, reduced in size upwards, sessile, ovate, apically obtuse, basally truncate to auriculate, the margins with numerous, sharp, sometimes callose teeth, mostly 2-4 cm long, 1-2 cm wide, somewhat coriaceous, both sides velutinous above with short whitish hairs, the venation obscure above, prominent beneath, the midvein and 2-4 strongly ascending lateral veins on each side conspicuously elevated. Inflorescences terminal racemes, at first congested, elongating with maturity, the pedicels tomentose, 3-4 mm long. Flowers with the calyx ca. 7 mm long, cupular, glandular tomentose, 10-ribbed, 4-5 lobed, the lobes deltoid, 2-3 mm long, sometimes somewhat acuminate; corolla red, tubular, 3-4 cm long, 5-7 mm wide, pulverulent tomentose with dark hairs, 2-lipped; stamens 2, the lower pair of anthers held against the upper lip, tomentose, the 2 staminodes reduced to tufts of hairs; stigma punctiform. Capsule ovoid, black, apiculate, ca. 2 cm long, ca. 8 mm wide; seeds oblong, ca. 1.5 mm long, with a stramineous, deeply reticulate testa.
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Habit
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herbs or shrubs
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Note
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This species is the most variable and widespread in the genus (Ernst, 1972),
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Distribution
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ranging from northern Mexico to central Panama.
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Note
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In Panama it occurs at slightly lower elevations than the other species, L. gutierrezii.
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Specimen
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CHIRIQUT: El Barui above Boquete, 1200-1800 m, D'Arcy 9915 (MO). 1.5 mi from Boquete on road to David, Dwyer & Hayden 7630 (MO). COCLE: El Valle, 600-1000 m, Allen 1154 (MO). Hills N of El Valle, 800 m, Allen 2235 (MO, NY). VERAGUAS: Hueco de Calobre camino hacia La Yeguada, Carrasquilla et al. 287 (MO). La Yeguada a orillas del Rio San Juan, Correa & Dressler 1970 (MO). Between Laguna La Yeguada and Calobre, Luteyn 1473 (DUKE).
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