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(Last Modified On 10/15/2013)
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(Last Modified On 10/15/2013)
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Species
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Mascagnia violacea (Triana & Planch.) Niedenzu
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PlaceOfPublication
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Arbeiten Bot. Inst. Kbnigl. Lyceums Hosianum Braunsberg 3: 14. 1908.
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Synonym
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Hiraea violacea Triana & Planch., Ann. Sci. Nat. Bot. S6r. 4. 18: 327. 1862. TYPE: Colombia, "Valles del Magdalena y del Cauca, Anapoima," Triana 5568-5, (COL, isotype; F, photo FM 35636 of isotype at G).
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Description
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Liana. Leaves opposite, papyraceous, ovate-lanceolate, acuminate at apex, rounded at the base, 4-13 cm long, 2-6 cm wide, the margin entire, narrowly revolute, glabrous on the upper surface except for the midrib, the secondary veins slightly conspicuous, the reticulate veins prominulous; lower surface with scattered appressed trichomes and more numerous patulous trichomes, the pri- mary lateral veins of 4-5 pairs, ascending, the reticulate veins more or less prom- inent; glands at the base of the blade lacking but sometimes with small scattered glands. Inflorescence large, a terminal thyrsoid panicle; branches ferruginous or red, tomentose, bracts narrowly lanceolate, pubescent, 1-2 mm long; peduncles 1-3 mm long, hirsute; pedicels 5-8 mm long, slender, flexuous or erect, puber- ulent, 20-35 in each dense pseudoraceme. Flowers 12 mm diameter; sepals ovate, broadly obtuse, purplish, villous with the margin glabrescent; petals violet, mem- branaceous, glabrous, the blade rounded-obovate, entire, 5 mm long, 4 mm wide, the claw 1 mm long; filaments glabrous, 2 of them thicker; styles thick, 2 curved at the base, glabrous, spatulate at the apex with the internal angle protrudent, obtuse and stigmatic, the external angle somewhat acute, the ovary hirsute. Sa- mara shaped like a butterfly, the lateral wings flabellate, subhyaline, 8-12 mm long, 15-22 mm wide, membranaceous, venous-reticulate, softly pubescent, the outer margin crenate, the dorsal crest 1-2 mm high.
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Distribution
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known from Panama and northern Colombia
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Elevation
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300 to 1,000 m.
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Specimen
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CHIRIQUI: Trail to Soledad, near Fortuna dam site, Correa et al. 2091 (MO, PMA). Fortuna dam site, 1000 m, Correa et al. 2545 (MO, PMA). COCLE: 18 km past Sardinilla on way to Nombre de Dios 150-300 m, Croat 26092 (MO).
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