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(Last Modified On 8/19/2013)
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(Last Modified On 8/19/2013)
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Species
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Bertiera guianensis Aubl.
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PlaceOfPublication
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Hist. P1. Guiane 1: 180. 1775.
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Note
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TYPE: French Guiana, Aublet (P, holotype, not seen).
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Synonym
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Bertiera palustris A. Rich., D.C., Prodr. 4: 392. 1830. Bertiera aequaliramosa Steyermark, Mem. New York Bot. Gard. 17(1): 319. 1967. SYNTYPE: Panama, Cooper 586 (NY, holotype). Bertiera guianensis var. leiophylla Steyermark, Mem. N.Y. Bot. Garden 17: 319. 1967. TYPE: Panama, Pittier 5178 (NY, holotype). Bertiera tenuis Lundell, Wrightia 4: 49. 1968. TYPE: Guatemala, Contreras 4318 (LL, holotype).
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Description
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Shrubs or small trees to 4 m tall, the branchlets terete, slender, appressed villose, the nodes well spaced. Leaves oblong, 8-17 cm long, 2-6 cm wide, acute and often vaguely acuminate at the apex, acute or cuneate at the base, the costa prominulous above and beneath, ca. 0.1 cm wide proximally, the lateral veins ca. 7, arcuate, occasionally strict and sharply ascending, discolorous or not, glabrous above and beneath except villose along the costa and veins; petioles slender, to 0.2 cm wide, 0.2-2.0 cm long; stipules deltoid, narrowly or roundly so, 0.9-1.2 cm long, ca. 0.3 cm wide, pubescent. Inflorescences terminal, solitary, cymose thyrsoid, to 16 cm long, to 6.5 cm wide, the peduncle to 7 cm long, stiff but thin, 1.0-1.5 mm wide, densely villose, the branches well spaced, the lowermost op- posite or whorled, subperpendicular; bracts persistent, subulate, to 6 mm long, the flowers secund. Flowers with the hypanthium subrotund, ca. 1 mm long, pubescent, the calycine cup short, the teeth 5-6, vague or as distinct short points; corolla white, the tube cylindrical, to 6 mm long, 0.8 cm wide in the middle, glabrate outside and within, the lobes 5, oblong, acute, villose within; stamens 5-6, the anthers 0.8-1.5 mm long, acuminate at the apex, the acumen to 0.35 mm long, acute, sagittate at the base, attached near the mouth; stigmas 2, oblong lanceolate, ca. 2 mm long, the style slender, ca. 2.5 mm long, the ovary thick walled, replete with resinous dots. Fruits sessile, rotund, 3.5-4.0 mm in diam., the pyrenes 6-costate, drying black; seeds obtusely 3-angled, ca. 1.5 mm in diam., muricate.
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Distribution
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Bertiera guianensis ranges from Mexico to Panama, the Guianas, and south to Bolivia. It also occurs in the West Indies.
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Specimen
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BOCAS DEL TORO: Buena Vista, Almirante, Cooper 586 (NY, US). BARRO COLORADO ISLAND: Aviles 9 (MO); Croat 12503 (MO); Foster 774 (MO). CHIRIQU1: San Felix, Pittier 5178 (US). DARIEN: Airstrip, Cana, 480 m, Croat 37997 (MO). Cativo Swamp near Tusijuanda, 1 day up Rio Balsa, Duke 13533 (MO). San Jose River, Duke & Bristan 397 (MO, NY). Between Paya and Palo de Los Letras, Duke & Kirkbride 14030 (MO). Rio Tuquesa, middle Tuquesa Mining Co. Camp called Charco Peje, Mori 7057. (MO). From Paya to Pucro, Stern et al. 225 (MO). Cana, Stern et al. 693 (MO). PANAMA: Chiman, Lewis et al. 3243 (MO, UC, VEN).
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