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(Last Modified On 4/10/2013)
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(Last Modified On 4/10/2013)
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Species
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Prestonia acutifolia (Benth.) K. Schum
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PlaceOfPublication
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Engler & Prantl, Nat. Pfl. 4(2): 188. 1895.
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Synonym
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Haemadictyon acutifolium Benth. ex Miill.-Arg. in Mart., Fl. Bras. 6(1): 167. 1860.
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Description
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Lianas, the younger stems sparsely puberulent, the older lenticellate. Leaves elliptic, acute, obtuse basally, to 10 cm long and 3.5 cm wide, + glabrous, firmly membranaceous; petioles ca. 3-8 mm long, weakly perfoliate, glandular in the axils. Inflorescences racemose, simple, the peduncle ca. 2-3 cm long. Flowers with the pedicals ca. 3-8 mm long, glabrous or minutely puberulent; bracteole 1, 3-lobed, ca. 0.5 mm long; calyx-lobes deltoid, ca. 1.5 mm long, bearing 1 lacerate squamella within; corolla salverform, yellow to green-yellow, the epistam- inal appendages deeply included, minute, ca. 0.3 mm long, the tube 13-15 mm long, minutely puberulent externally, the lobes obliquely obovate, ca. 5-6 mm long; stamens barely exserted, the anthers ca. 4 mm long, glabrous; nectaries concrescent basally, fleshy, ca. as high as the ovary. Follicles unknown for Panama.
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Habit
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Lianas
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Distribution
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Panama and South America.
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Specimen
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CANAL ZONE: Farfan Beach, Tyson et. al. 3180 (MO). Around Gamboa, Pittier 4784 (US). PANAMA: Vicinity of El Llano, Duke 5802 (MO).
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Note
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When compared with South American collections, the Panamanian material appears much more delicate.
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