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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 POLYANDRUM (Loesener) H. Walt.
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PlaceOfPublication
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Engl. Pflanzenr. 483:112. 1909.
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Synonym
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Rivina polyandra Loesener, in Engl. Bot. Jahrb. 23:123. 1896. Villamilla polyandra H. Walt. loc. cit. 37: Beibl. 83:24. 1906.
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Description
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Weak shrubs up to 5 meters, or woody vines climbing on shrubs. Leaf blades elliptic to ovate, the apex acute to attenuate, the base rounded or acute, 7.0-16.8 cm. long, 3.5-6.6 cm. broad, the petioles 1.0-3.0 cm. long, glabrous. Inflorescence a long uncrowded raceme, about 8.0-2 1.0 cm. long; pedicels 8-16 mm. long; bracts lanceolate, 1.5-2.0 mm. long, deciduous, the bractlets about 0.5 mm. long. Tepals white in flower, red, purple or purplish-pink in fruit, 4.0-9.0 mm. long. Stamens 20-25 inserted at the base of the perianth. Ovary subglobose, the style very short. Fruit a drupe, purple or red, 4.5-5.5 mm. in diameter.
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Habit
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shrubs
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Distribution
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Central America (Nicaragua, Costa Rica and Panama).
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Specimen
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BOCAS DEL TORO: Pumpkin River near Chiriqui Lagoon, Von Wedel 2571; Water Valley, Von Wedel 926, 1439, 7I4, I547, 940; Woodson, Alien & Seibert I832; Almirante, Cooper I33. PANAMA: Rio Juan Diaz above Juan Diaz, Allen 944.
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Note
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Trichostigma appears to have close affinities with Rivina. However the two may easily be distinguished by the more numerous stamens, the tepals reflexed in fruit, the terminal stigma, the deciduous stipules, and the drupaceous fruit of Tricho stigma. The genera have been treated as one genus by some authors, but recently they have been regarded as separate.
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