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(Last Modified On 1/28/2013)
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(Last Modified On 1/28/2013)
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Species
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TRICHOSTIGMA OCTANDRUM (L.) H. Walt.
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PlaceOfPublication
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Engl. Pflanzenr. 483:109. 1909.
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Synonym
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Rivina hiumilis P scandens L. Sp. P1. 122. 1753. Rivina octandra L. Cent. P1. 2:9. 1756. ?Rivina dodecandra Jacq. Obs. Bot. 1:6. 1764. Rivina scandens Mill. Gard. Dict. ed. 8. Ri-vinia no. 2. 1768. Rivina Mutisii Willd. ex Schult. Mant. 3:305. 1827. Rivina americana Raf. Fl. Tell. 3:56. 1837. Trichostigma rivinoides A. Rich. in Sagra. Hist. Cuba. 10:306. 1845. Rivina ortandra 3 obtusifolia Moq. in DC. Prodr. 132:11. 1849. Rivina Ehre-bergiana Klotzsch, ex Moq. loc. cit. 1849. Rivina Moritziana Klotzsch, ex Moq. loc. cit. 1849. Villamilla octandra Hook. f. in Benth. & Hook. Gen. PI. 3:81. 1880.
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Description
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Decumbent or suberect shrubs or woody vines up to 10 meters. Leaves oblong to elliptic, the apex acute to acuminate, the base rounded or acute, 3.8-5.5 cm. broad, 12.4-14.7 cm. long; petioles 2.4-3.7 cm. long, glabrous. Inflorescence a fairly dense many-flowered raceme, about 5.0-6.5 (-1 1.0) cm. long; pedicels 3-9 mm. long; bracts lanceolate, 2 mM. long, deciduous, the bractlets triangular, 0.5 mm. long. Tepals white to whitish-green, 2-3 mm. long. Stamens 8-12, inserted irregularly at the base of the perianth, 3-4 mm. long. Fruit a subglobose drupe, black, 5.5-6.0 mm. in diameter.
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Habit
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shrubs vines
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Distribution
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United States (southern peninsular Florida and the Keys) ; West Indies; throughout Mexico and Central America; South America (Venezuela to Argen- tina); common in abandoned fields and moist woods.
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Specimen
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CANAL ZONE: drowned forest of upper Rio Pequeni between Salamanca Hydro- graphic Station and Rio Boqueron, Allen I7279. DARIEN: Tucuti, M. E. d R. A. Terry 1396.
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Note
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The Terrys have stated on the specimen label that T. octandrum is a tree, but there are no other indications that trees are even found in this genus. T. octandrum occurs as a woody shrub or liana sprawling over adjacent shrubs and trees.
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