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(Last Modified On 2/8/2013)
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(Last Modified On 2/8/2013)
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Species
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DICHAEA MURICATA (Sw.) Lindl.
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PlaceOfPublication
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Gen. & Sp. Orch. Pl. 209. 1833.
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Synonym
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Cymnbidium muricatum Sw. in Nov. Act. Soc. Upsal. 6:71. 1799. Dichaea latifolia Lindl. Gen. & Sp. Orch. Pl. 208. 1833. Dichaea Moritzii Rchb. f. in Nederl. Kruidk. Arch. 4:328. 1858. Dichaea muricata Lindl. j8 latifolia Lindl. ex Griseb. Fl. Brit. W. Ind. 624. 1864. Dichaea muricata Lindl. var. Moritzii Cogn. in Mart. Fl. Bras. 36:488. 1906. Dichaea avatipetala Schltr. in Fedde Rep. Sp. Nov. Beih. 19:266. 1923. Dichaea similis Schltr. loc. cit. 307. 1923. Dicbaea verrucosa Ames & Schweinf. in Sched. Orch. 8:83. 1925.
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Description
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Epiphytic herbs with elongate, pendulous, monopodial, foliaceous stems, up to about 60 cm. long, completely enveloped in the persistent, distichous leaves. Leaf blades elliptic-oblong to ligular, obtuse to acute, with entire margins, the undersurface distinctly keeled, terminating at the apex in a minute to relatively elongate apicule, the blades often rather obliquely spreading, not articulated to the sheathing bases, not deciduous, 10-20 mm. long and 4-7 mm. wide. Peduncles slender, 1-flowered, 1-2 cm. long, produced from the upper leaf axils. Flowers of moderate size for the genus. Sepals elliptic-lanceolate, shortly acuminate, about 7.5 mm. long, 2.5 mm. wide, the outer surfaces usually more or less verrucose. Petals subequal to the sepals, elliptic-lanceolate, acute to shortly acuminate, about 7 mm. long and 2 mm. wide. Lip anchoraeform in outline when spread out, the broad claw contracted at the base and affixed to the base of the column, the blade abruptly dilated and distinctly 3-lobed, the short, acute or acuminate lateral lobes more or less falcately retrorse in natural position, the mid-lobe shortly triangular, acute or apiculate, the entire lip, including the claw, about 6 mm.. long and 3.2 mm. wide. Column stout, about 2.5-3 mm. long, the under-surface with a small infra-stigmatic ligule, the broad clinandrium hooded, as in the genus. Capsule densely muricate.
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Distribution
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Mexico to Brazil; Cuba to Lesser Antilles.
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Specimen
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COLON: summit of Cerro Santa Rita, 1200-1500 ft., Allen & Allen 5112. COCLE: western slope and summit of Cerro Valle Chiquito, 700-800 m., Seibert 512; vicinity El Valle de Anton, 600-1000 m., Allen 1249. CHIRIQUI: vicinity Casita Alta, Finca Lerida, eastern slopes of Chiriqui Volcano, 1500-2000 m., Woodson, Allen & Seibert 834; vicinity Cerro Punta, headwaters of the Rio Chiriqui Viejo, 2000 m., Allen 1529.
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Note
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Most of the specimens cited above are sterile, and the determinations must be regarded as provisional. In particular, the collections from Chiriqui Province appear quite atypical in the narrower leaves and may possibly represent Dichaea trichocarpa (Sw.) Lindl.
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