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(Last Modified On 5/30/2013)
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(Last Modified On 5/30/2013)
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Species
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Gonolobus ophioglossa Woodson
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PlaceOfPublication
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Ann. Missouri Bot. Gard. 29: 366. 1952.
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Note
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TYPE: Panama, Allen 2366 (MO, holotype; US, isotype).
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Description
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Herbaceous vines; stems sparsely pilose in lines or glabrate. Leaves lanceolate to lanceolate-elliptic, apically acuminate, basally acute, truncate, or shallowly cordate, glabrous or glabrate on both surfaces, mostly 5-10 cm long and 2-4 cm wide; petioles pilosulose to glabrous, 1-3 cm long. Inflorescences umbelliform racemose, sometimes bifurcately branched, 5-10-flowered or sometimes twice that number in branched inflorescences, glabrous or nearly so throughout; pe- duncles 5-10 mm long; pedicels slender, 1.5-3.5 cm long. Flowers glabrous throughout; calyx lobes linear-lanceolate to lanceolate, 3-5 mm long and 1-2 mm wide; corolla rotate, green, 2.6-4 cm in diameter, divided nearly to the base, the lobes narrowly to broadly elliptic, 13-19 mm long and 7-9 mm wide, the faucal annulus a thin, broadly 5-angled ridge ca. 0.5 mm high, usually with a triangular group of papillae extending from the angles to the sinuses of the corolla, otherwise glabrous, rarely with the papillae lacking; anther appendages with a central linear appendage which is bifurcate at the apex, the bifurcate lobes usually extended at right angles to the base of the appendage and ca. 0.7 mm long, the non-divided basal portion ca. 0.9 mm long and 0.6 mm wide; the corona thin, fleshy, shallowly 5-lobed, the lobes broadly rounded to triangular, the margins erose-crenulate; gynostegium pentagonal; stigma head slightly depressed. Follicles unknown.
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Distribution
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Known only from Panama
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Native
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Panama
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Note
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this species is distinguished from other members of the genus by its glabrous flowers and bifurcate anther appendages.
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Specimen
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BOCAS DEL TORO: Between Buena Vista coffee finca and Cerro Pilon on Chiriqui Trail, Kirkbride & Duke 694 (MO). COCLE: Near La Mesa, N of El Valle de Anton, Allen 2366 (MO, US). Hills below Cerro Pilon (above El Valle de Anton), Croat 14404 (MO). PAN- AMA: Cerro Jefe, Dressler 3823 (MO).
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