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(Last Modified On 8/5/2013)
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(Last Modified On 8/5/2013)
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Species
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Besleria barbensis Hanst.
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PlaceOfPublication
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Linnaea 34: 319. 1865.
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Note
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TYPE: Volcan de Barba, Prov. Heredia, Costa Rica, Hoffmann 45 (B, probably no longer extant) .
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Synonym
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Besleria barbensis var. hirsutta Morton, Ann. Missouri Bot. Gard. 29: 38. 1942. TYPE: Panamai, Allen 1449 (US, holotype).
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Description
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Herbs; stems slender, ca. 1 m tall, sparsely strigose to hirsute; unbranched. Leaves equal in a pair, elliptic to somewhat obovate, 5.8-12.0 cm long, 2.3-5.0 cm wide, membranous, the apex acuminate, the base cuneate, somewhat oblique, serrulate, above dark green, sparsely strigose to hirsute, the veins obvious, below lighter green, strigose or hirsute along the veins; petioles 0.5-3.2 cm long. Inflo- rescences of single flowers in the axils of the opposite leaves; peduncles lacking; pedicels slender, 1.4-3.0 cm long, pilose. Flowers zygomorphic, the posterior calyx lobe slightly larger, free, lanceolate to ovate, 8-13 mm long, 4-7 mm wide, the apex acuminate, sharply serrate, pilose or hirsute outside, inside puberulous; corolla yellow orange, slightly oblique in the calyx, the tube slightly saccate at the base, slightly ventricose, ca. 10 mm long, the base ca. 4.5 mm wide, pubescent toward the limb outside, the inside glabrous, the limb bilabiate, to 12 mm across, larger lobes 5-6 mm long, the smaller lobes 3-4 mm long, all orbiculate, nearly erect to patent, the apex rounded, entire to erose; stamens included, the filaments glabrous, the anthers coherent, quadrate, 1-2 mm wide; disc annular, entire; ovary apex and style pilose, the stigma bibbed. Mature berry or seeds not seen in Panama' material.
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Habit
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Herbs
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Note
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Although the two collections of Besleria barbensis differ from each other in amount of vestiture, this range of variation can be seen in collections from nearby localities in Costa Rica.
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Specimen
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BOCAS DEL TORO: Robalo Trail, N slopes of Cerro Horqueta, 6000-7000 ft, Allen 4943 (F, MO, US). CHIRIQUI: Trail from Cerro Punta to headwaters of Rio Caldera, 2250-2500 m, Allen 1449 (US).
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