(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 endresii Reichenbach f.
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PlaceOfPublication
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Gard. Chron., n.s., 2: 582. 1874
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Note
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TYPE: Costa Rica, Endress, cult. Veitch (W, holotype; K, isotype)
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Synonym
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Utricularia alpina sensu P. Taylor, Mem. New York Bot. Gard. 17: 210. 1967, pro parte, non Jacq.
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Description
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Perennial epiphytic herbs; stolons filiform, radiating from the base of the in- florescence, several swollen at or near the point of origin to form narrowly ellip- soid or fusiform tubers ca. 1 cm long. Photosynthetic organs leaflike, 1-3 from the inflorescence base, 6-20 cm total length; lamina membranous, multinerved, nar- rowly oblanceolate to linear-lanceolate, the apex obtuse to acute; pseudopetiole usually much shorter than the lamina. Traps borne on filiform stolon-branches, ovoid, stalked, ca. 1 mm long, the mouth basal, the upper lip with 2 subulate re- curved appendages. Inflorescences 15-40 cm long; peduncle 1-1.5 mm thick, 1-3-flowered; bracts linear-lanceolate, acute, straight, 5-10 mm long, the bracte- oles similar but shorter, the sterile scales on the peduncle 2-4, similar to the bracts but usually shorter; pedicels erect, 3-5 times as long as the bract. Flowers with the calyx lobes subequal, ovate, apically rounded or obtuse, 1.5-2.2 cm long, 1.0-1.4 cm wide; corolla violet or mauve with a yellow palate, 3-5 cm long, densely stipitate-glandular, the upper lip orbicular, about twice as wide as the upper calyx lobe, the lower lip much larger, fan shaped, the apex distinctly 3-crenate, the palate gibbous, prominent, the spur narrowly conical-subulate, curved, the apex acute, shorter than the lower lip. Capsules and seeds not seen.
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Habit
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herbs
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Distribution
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This species has been collected in Costa Rica, Panama, Colombia, and Ecuador.
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Note
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The Chiriqui Volcan and the Seemann specimens cited are undoubtedly U. endresii but the latter may not have been collected in what is now Panama. The other three recently collected specimens cited are too incomplete for certain de- termination. Utricularia endresii is distinguished from U. alpina, U. praeterm.issa, and U. unifolia by its densely stipitate-glandular corolla which is apparently always violet or mauve, its tricrenate lower lip, and its membranous photosynthetic or- gans.
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Specimen
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CHIRIQUI: Chiriqui Volcan, collector unknown (W). DARIEN: Bay of Choco, Seemann 1112 (BM, K). PANAMA: Cerro Jefe, 1000 m, Gentry 6175 (MO). Near Cerro Campana, Kirkbride 331 (MO). Cerro Jefe, new road leading N of summit, Witherspoon & Witherspoon 8534 (K, MO).
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