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(Last Modified On 11/13/2012)
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(Last Modified On 11/13/2012)
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Species
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HEXISEA BIDENTATA Lindl.
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PlaceOfPublication
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Hook., Jour. Bot. 1: 8. 1834.
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Synonym
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Diothonaea imbricata Lindl. Sert. Orchl. t. 40, f. I. 1841. Epidendrum oppositifolium Rich. & Gal. in Ann. Sci. Nat. III, 3:21. 1845. Diothonaea oppositifolia Reichb. f. in Linnaea 22:842. 1849. Euthonaea oppositifolia Reichb. f. in Bot. Zeit. 10:772. 1852. Euthonaea imbricata Reichb. f. loc. cit. Hexisea oppositifolih Reichb. f. in Walp. Ann. 6:470. 1862. Hexisea imbricata Reichb. f. loc. cit.
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Description
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Caespitose epiphytic herbs up to about 4 dm. tall. Stems segmented, the terminal growth producing flowers and then a new growth and leaves from its apex, simple or branched, the segments subcylindric or fusiform. Leaves 2.5-16 cm. long and 0.3-1 cm. broad, linear to linear-ligulate, obtuse or retuse, cori- aceous, borne from the apex of the segment of the stem. Inflorescence a short, few-flowered raceme. Flowers usually bright red. Sepals 10-14 mm. long and 2.5-4 mm. broad, lanceolate or elliptic-lanceolate, acute, the laterals somewhat oblique. Petals 10-13 mm. long and 2-3 mm. broad, linear-lanceolate to linear- oblong, acute. Lip 8-13 mm. long and 2.5-4 -mm. broad, oblong-oblanceolate, obtuse or acute, base of the lamina geniculate and the angle or "knee" usually callus-thickened, claw adnate with the basal half of the column.
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Distribution
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Mexico, Honduras, Nicaragua, Costa Rica, Panama, Colombia, and British Guiana.
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Specimen
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CHIRIQUI: "Chiriqui," alt. 1200 m., Powell 64, 3113, 3156, 3I57, 3161, 3190, 3192, 3214, 3504. PANAMA: San Juan Hills, east of Panama City, Powell 333, 3146, 3420; "Panama": Panama et Colombia occidentalis, in 1831, Cuming I297. VERAGUAS: head- waters of the Rio Cafiazas, alt. 300-600 m., Allen 195; Bahia Honda, Taylor 1509.
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Note
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The genus should possibly be referred to Alemania Llave & Lex.
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