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(Last Modified On 8/6/2013)
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(Last Modified On 8/6/2013)
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Species
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Columnea oerstediana Klotzsch ex Oerst.
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PlaceOfPublication
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Cent. Gesn. 61, tab. 8, 1858.
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Note
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TYPE: Naranjo, Costa Rica, Oersted 9291 (C, holotype, MO, photo; US, isotype).
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Description
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Suffrutescent herbs, epiphytic; stems 1.5-3 mm in diam., strigose when young. Leaves of a pair equal, elliptic ovate, 1.2-1.6 cm long and 7-10 mm wide, the apex obtuse to acute, rounded at the base, entire, succulent, above green, glabrous, below paler green, sparsely strigose, the hairs transparent, 3-5 celled especially numerous on the veins, also 2-3 celled white or transparent hairs; petioles 1 mm long. Flowers solitary; bracts ca. 5 mm long; pedicels ca. 10 mm long, strigose; calyx lobes ovate, 10-15 mm long, long acuminate, 2-3 toothed, the teeth to 1 mm long, green or tinged red, strigose; corolla scarlet or red with yellow areas running from sinuses of the anterior lobe to the base of the tube, funnelform, but strongly zygomorphic, ca. 6.7 cm long, ca. 4 mm in diam. above the base, becoming ca. 9 mm in diam. at the throat, the outside red pilose, the lobed portion of the corolla 3.1-3.6 cm long, the lobes strongly unequal, the posterior pair connate, truncate at the apex, ca. 1.8 cm long, the anterior lobe ca. 1.5 cm long, reflexed; filaments reddish or yellow, glabrous, the anthers exserted; ovary sericeous, the style yellow, pilose glandular, the stigma bibbed. Fruits not seen. Chromosomes 2n 18 (Fussell, 1958).
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Habit
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herbs
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Distribution
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Known from Costa Rica, Panamar, French Guiana and Brazil, this species seems to be replaced mainly by C. tenuis in Panama.
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Specimen
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VERAGUAS: Santa Fe, slopes of Cerro Tute, 3000 ft, Allen 4335 (MO, US). 0.2 mi beyond fork in road to Escuela Agricola Alto Piedra on road to Rio Calovebora, 750 mn, Croat & Folsom 33893 (MO, US). 6.4 km outside of Santa Fe toward the cordillera, Folsom 2934 (MO, US).
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