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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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Cynanchum magdalenicum Dugand
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PlaceOfPublication
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Caldasia 9: 408. 1966.
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Note
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TYPE: Colombia, Killip & Smith 14715 (MO, NY, US).
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Description
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Slender herbaceous vines; stems glabrous or puberulent in the younger por- tion. Leaves glabrous but sparsely pubescent near the attachment of the petioles, ovate, basally cordate, apically acuminate, 1.6-2.5 cm long with a cluster of dactyliform glands at the base, 4.5-6 cm long and 2.8-3.8 cm wide; petioles gla- brous. Inflorescence racemose, the rachis and pedicels fine puberulent; pedicels 7.1-7.6 mm long. Flowers with the calyx lobed to the base, the lobes 1.8-2.5 mm long and 1.4-1.6 mm wide, ovate, puberulent outside; corolla greenish-white, rotate, the lobes reflexed at anthesis, lanceolate, 6.4-6.9 mm long and 1.4-1.5 mm wide, glabrous inside and out; corona segments rhombic with a ? ligulate apical portion, nearly twice as long as the gynostegium, 3.8-3.9 mm long and 1.8-1.9 mm wide, the apices arching over the gynostegium; gynostegium short, broad, truncate-conical, 1.8-1.9 mm high. Follicles (from Colombian material) elongate-ovoid, smooth, glabrous, 5 cm long when immature and ca. 2 cm wide.
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Habit
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vines
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Distribution
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Known only from western Colombia and Panama
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Note
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this lowland taxon is one of a group recognized by some workers as the genus Roulinia. The group is closely allied to Metalepis.
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Specimen
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CANAL ZONE: Along the Trinidad River, Pittier 3975 (US). PANAxIA: Interamerican Highway just E of Bejuco, Duke 4551 (MO).
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