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(Last Modified On 7/9/2013)
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(Last Modified On 7/9/2013)
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Species
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Utricularia hydrocarpa Vahl
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PlaceOfPublication
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Enum. PI. 1: 200. 1804.
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Note
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TYPE: Guyana ("Cajenna"), Richard (C, holotype; P, isotype).
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Description
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Perennial, freely suspended aquatic herbs; stolons filiform, terete, to 30 cm long or longer, 0.5-1.5 mm thick. Photosynthetic organs conspicuous, alternate on the stolons, 1.5-3.0 cm long, repeatedly dichotomously divided into capillary seg- ments, the ultimate segments sparsely setulose. Traps lateral on the segments, oblique, broadly ovoid, 1-2 mm long, short stalked, the mouth lateral, naked or with 2 short simple setiform appendages. Inflorescences erect, emergent, 3-10 cm long, the 3-6 flowers widely spaced on the axis, the lowermost flower cleistoga- mous, at or very near the base of the peduncle; bracts basifixed, broadly ovate- deltoid, auriculate, 2-3 mm long, the sterile scales absent; pedicels at first erect becoming sharply reflexed in fruit. Flowers with the calyx lobes subequal, broadly ovate, the apex of the upper lobe obtuse, that of the lower lobe deeply emarginate; corolla red or pink, ca. 8 mm long, the upper lip orbicular, the apex entire, 4-5 mm wide, the lower lip transversely oblong, the apex emarginate, 6-8 mm wide, the palate slightly gibbous, the spur conical-subulate, obtuse, shorter than the lower lip. Capsules globose, ca. 3 mm in diam. with a persistent style 1-1.5 mm long, circumscissile; seeds depressed globose, ca. 0.5 mm in diam., finely reticulate.
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Habit
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herbs
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Distribution
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This species ranges from Cuba and Belize to Bolivia and Brazil.
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Specimen
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CANAL ZONE: Juan Mina, Bartlett & Lasser 16410, 16710 (both MO). COCLE: Pittier 4834 (NY, US). PANAMA: Between Panama and Chepo, Dodge et al. 16716 (MO). Near Chepo, Pittier 4554 (NY, US). Matias Hernaindez, Pittier 6893 (G, US). Bejuco, Woodson et al. 1684 (MO, NY).
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