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(Last Modified On 1/20/2013)
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(Last Modified On 1/20/2013)
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Species
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MAXILLARIA CTENOSTACHYA Rchb. f.
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PlaceOfPublication
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Gard. Chron. 39. 1870.
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Synonym
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Maxillaria ctenostachys Rchb. f. ex Schltr. in Beih. Bot. Centralbl. 362:495. 1918. Camaridium aracbnites Schltr. in Fedde Rep. Sp. Nov. Beih. 17:73. 1922. Camalridium stenostachys Schltr. loc. cit. 19:238. 1923.
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Description
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Elongate, slender, erect or pendulous, epiphytic herbs. Pseudobulbs elliptic, ovoid, complanate, rugose, tapering, diphyllous, those at the base of the plant clustered, 3.5-6.5 cm. tall and 2.5-4 cm. wide, those on the upper branching stem becoming very distant and inserted at an acute angle, 2.5-5 cm. tall and 1.5-2 cm. thick, the bases provided with several elongate, foliaceous bracts; the long internodes closely enveloped in long, acuminate, persistent, papery bracts. Leaves coriaceous, linear-lanceolate, acute, 15-35 cm. long and 1-2.5 cm. wide, contracted below into short conduplicate petioles. Inflorescences usually many short, slender, 1-flowered scapes 1.5-2 cm. long, from the bract axils of the distichous flush of new growth, which at flowering time much resembles the stem of a Lochkhartia in vegetative appearance. Flowers relatively large, most or all being produced simultaneously, the flowering habit reminiscent of that of Maxillaria alba. Sepals subequal, free, more or less spreading, white or pale yellow, lanceolate, long-acuminate, 2.5-4 cm. long and .4-.5 cm. wide; the laterals adnate to the column foot, forming a short, rounded mentum. Petals subequal to the sepals, white or pale yellow, rather obliquely elliptic-lanceolate, long-acuminate, 2-3 cm. long and .3-.5 cm. wide. Lip conspicuously 3-lobed, white or pale yellow, the inner surface with brown or tan markings, 8-12 mm. long and 6-8 mm. wide when spread out, contracted at the base and articulated with the foot of the column, lateral lobes erect in natural position, the anterior margins acute, mid- lobe ovate, acute, about 1/2 the total length of the lip, the apex reflexed and somewhat thickened; disk with 5 erect, parallel keels, about 3/4 the length of the lateral lobes, the central 3 of which are rounded at the apex and conspicuously thickened. Column semi-terete, somewhat arcuate, 4-6 mm. long, produced at the base into a short foot.
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Distribution
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Costa Rica. and Panama.
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Specimen
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CHIRIQUI: Rio Caldera, 4500 ft., Powell 210.
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