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(Last Modified On 11/11/2012)
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(Last Modified On 11/11/2012)
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Species
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PLEUROTHALLIS GNOMONIFERA Ames
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PlaceOfPublication
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Sched. Orch. 6:61. 1923.
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Synonym
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Pleurothallis brevis Schltr. in Fedde Rep. Sp. Nov. Beih. 19:183. 1923.
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Description
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Small, caespitose, epiphytic herbs up to 12 cm. tall. Secondary stems up to about 8 cm. long, covered with infundibuliform, hispidulous sheaths. Leaves 1.4-4.5 cm. long and 0.6-2 cm. broad, elliptic to ovate, acute or obtuse, coriaceous, attenuated into a short petiole at the base. Inflorescence one to several racemes from the axil of the leaf, usually less than half as long as the leaves, few-flowered. Sepals glandular-pubescent dorsally; dorsal sepal about 3-4 mm. long and 1 mm. broad, oblong-lanceolate, acute or obtuse; lateral sepals 3-4 mm. long and together 2.5-3 mm. broad, connate at the base or as far as the middle, free parts oblong, obtuse. Petals about 1.5 mm. long and 0.5 mm. broad, oblong, obtuse, ciliate or lacerate at the apex. Lip 1.6-2 mm. long and 0.5-0.6 mm. broad, narrowly ob- long, obtuse, subpandurate, biauriculate at the base, with a small submammillate callus near the base of the disc.
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Distribution
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Costa Rica and Panama.
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Specimen
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CHIRIQUI: Cerro Punta to headwaters of the Rio Caldera, alt. 2250-2500 m., Allen 1466; Cerro Horqueta, alt. 1500-1800 m., Powell 311.
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