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(Last Modified On 11/19/2012)
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(Last Modified On 11/19/2012)
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Species
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EPIDENDRUM PANICULATUM Ruiz & Pavon
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PlaceOfPublication
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Syst. Veg. 243. 1798
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Reference
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Hook. f. in Bot. Mag. 94: t. 5731. 1868; Ames, Hub. & Schweinf. in Bot. Mus. Leafl. Harv. Univ. 2:67. 1934.
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Synonym
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Epidendrum floribundum HBK. Nov. Gen. & Sp. 1:353, t. 86. 1816; Hook. in Bot. Mag. 65: t. 3637. 1838. Epidendrum turialvae Reichb. f. in Gard. Chron. 1871:1678. 1871. Epidendrum resectum Reichb. f. in Linnaea 41:82. 1877. Epidendrunm piliferum Reichb. f. loc. cit. 83. Epidendrum Isthmi Schltr. in Fedde Rep. Sp. Nov. Beih. 17:34. 1922. Epidendrum reflexum Ames & Schweinf. in Sched. Orch. 8:49. 1925.
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Description
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Caespitose epiphytic or saxicolous plants up to about 1.5 dm. tall, often rank in growth. Stems simple, erect or spreading, covered with the amplexicaul leaf- sheaths or naked with age. Leaves 4-25 cm. long and 0.5-7 cm. broad, variable but essentially linear-lanceolate to oval, acute or acuminate, rarely obtuse, coria- ceous. Inflorescence from shorter than the subtending leaves to much longer, from a simple few-flowered raceme to a compound multiflorous panicle, terminal, usually subtended with a spathe which may be up to 6 cm. long; bracts on the peduncle from very short to about 7 cm. long; flowers variable in size and color. Dorsal sepal 7-16 mm. long and-2-3.5 mm. broad, elliptic to broadly oblanceolate, acute or obtuse. Lateral sepals 8-16 mm. long and 2.5-4.5 mm. broad, elliptic to broadly lanceolate, acute or obtuse. Petals 8-15 mm. long and 0.2-2 mm. broad, usually filiform or filiform-clavellate but occasionally linear-oblanceolate. Lip unguiculate; claw adnate to the column; lamina 4-10 mm. long and 5-12 mm. broad, from nearly simple to 3- or 4-lobed (commonly 3-lobed); lateral lobes from dolabriform to obliquely triangular-ovate or ovate, outer margin entire to sublacerate; mid-lobe usually strongly bilobulate, but often from truncate to retuse, often apiculate, lobules variable in form and divergence, linear to oblong to triangular or spatulate, margin entire or somewhat lacerate; disc with 2 short sublamellate calluses at the base, often provided with one or more callus ridges parallel to the mid-nerve.
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Distribution
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Mexico to Panama and in South America to Argentina.
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Specimen
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CANAL ZONE: Quebrada Ancha, Steyermarkl & Allen 1179; hills east of Panama City, and Rio Indio near the mouth of Chagres River, Powell 104, 323, 3396. CHIRIQUI: El Boquete, alt. 100-1300 m., Pittier 2973; "Chiriqui", Powell 233, 3174; Rio Chiriqui Viejo, alt. 1300-1900 m., Seibert 145; Upper Rio Chiriqui Viejo, White 326. coCLE: vicinity of La Mesa, north of El Valle de Anton, alt. 1000 m., Allen 2389. PANAMA: Rio Tapia, Standley 28137.
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Note
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A widespread and variable species. Only the essential synonymy for Panama and adjacent Costa Rica has been given above.
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