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(Last Modified On 10/7/2013)
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(Last Modified On 10/7/2013)
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Species
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Hiraea fagifolia (DC.) Juss.
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PlaceOfPublication
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Malpigh. Synopsis (Ann. Sci. Nat. Bot. Ser. 2. 13:) 258. 1840.
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Synonym
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Banisteria? fagifolia DC., Prodr. 1: 590. 1824. TYPE: French Guiana, Cayena (G-DC, not seen).
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Description
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Liana; the stems densely appressed-pubescent when young with weak or stout, appressed, T-shaped trichomes, glabrate in age. Leaves opposite, oblong- elliptic to lanceolate-elliptic, ovate-lanceolate or oblanceolate, acuminate at the apex, obtuse to narrowly rounded at base, 9-20 cm long, 3.5-9.0 cm wide, sparse- ly appressed-pubescent above, especially along the major veins, soon almost glabrous, the midrib sunken, sericeous on the midrib below, with a few scattered trichomes over the blade surface; primary lateral veins 9-12 on each side, more or less evenly spaced, somewhat closer at the base, the tertiary veins prominu- lous, extending almost straight and parallel between the primary lateral veins, the margins entire, rarely glandular; petioles 4-10 mm long, appressed-pubescent with a pair of plate-shaped, elevated glands at the apex; stipules subulate, 3-5 mm long, borne adaxially near the apex of petiole. Inflorescence of short trium- belliferous cymes, shortly pedunculate (0-5 mm); peduncles of the umbels 2-6 mm long, puberulent; bracts and bracteoles ovate, appressed-pubescent, 1.0-1.5 mm long; pedicels slender, 1.0-1.5 cm long, sericeous to sparsely appressed- pubescent. Flowers 12-14 mm in diameter; sepals deltoid, narrowly rounded at the apex, sericeous, ca. 2 mm long; catycine glands present or absent? (see Tonduz 13166), ellipsoid; petals yellow, glabrous, thickly membranaceous, or- bicular-obovate, cuneate at base, ca. 5 mm in diam., denticulate marginally, the 4 lateral petals fimbriate-glandular, the anterior petal more or less entire, the claws ca. 2 mm long; stamens glabrous; styles 3.5 mm long, thickened, somewhat curved, the apex truncate, dilated with the dorsal angle apiculate, the ovary hirsute-villose. Schizocarp of 3 samaras, the lateral wings thinly membranous, semiorbicular, puberulent to weakly villous, 15-18 mm long, 2.2-3.0 cm wide, the dorsal crest 1.5-2.0 mm high, pubescent.
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Habit
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Liana
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Distribution
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ranges from Mexico (?) and Belize to Colombia, Venezuela, the Guianas, Brazil and Peru.
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Note
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In Panama it is known only from tropical moist forest in Bocas del Toro and Chiriqui Provinces. The only Panamanian collection had flowers in late February.
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Specimen
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BOCAS DEL TORO: Bocas del Toro, along stream below dam, Durkee 71-149 (MO). CHIRIQUf: Fortuna dam site, 1400-1600 m, Folsom et al. 5605 (MICH, MO, PMA, US).
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