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(Last Modified On 7/12/2013)
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(Last Modified On 7/12/2013)
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Species
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Hippobroma longiflora (L.) G. Don.
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PlaceOfPublication
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Gen. Syst. 3: 717. 1834.
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Synonym
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Lobelia longiflora L., Sp. P1. 930. 1753. TYPE: Jamaica. Rapuntium longiflorum (L.) Miller, Gard. Dict., ed. 8. Rapuntium No. 7. 1768. Isotoma longiflora (L.) Presl, Prodr. Monogr. Lobel. 42. 1836. Laurentia longiflora (L.) F. E. Wimmer, Field Mus. Nat. Hist., Bot. Ser. 13: 474. 1937, non Laurentia longiflora Schlecht., 1922.
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Description
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Erect or decumbent herbs ( 15-) 30-50( -90) cm high; stems short-pubescent to nearly glabrous. Leaves sessile, membranous, elliptic to oblanceolate, coarsely and irregularly repand-dentate with 15-20 large teeth as well as callose-dentic- ulate with 4-6 times as many small teeth, mostly (5-)10-20 cm long, (1-)2-5 cm wide, apically acute, basally cuneate. Flowers with the pedicels 4-8 mm long bearing almost basally a pair of filiform bracteoles 2-4 mm long; hypanthium 6-10 mm long, obconic, angulate, strongly 10-ribbed, spreading short-pubescent; calyx lobes linear, erect, 10-18(-22) mm long, ca. 1 mm wide, marginally callose- denticulate, spreading short-pubescent, rarely glabrous; corolla white to white with pale greenish veins, puberulous, the tube 5-13.5 cm long, (1-)2-4 mm in diameter, the lobes subequal, spreading, 1.3-2.7 cm long, elliptic-lanceolate; filament tube glabrous, the anther tube slightly curved, the shorter anthers ca. 3 mm long, the longer anthers about 5-6 mm long. Capsules 1.2-2.0 cm long, pendent, often appearing more completely inferior than they actually are due to the closely enveloping free rim of the hypanthium; seeds ca. 0.8 mm long.
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Habit
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herbs
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Distribution
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Hippobroma longiflora is common in the West Indies which apparently was its original home and from Mexico south into Brazil and Peru.
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Note
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It has been spar- ingly introduced into the Old World tropics. This plant is reputedly extremely poisonous as suggested by its generic name which translates as "horse poison." It has also been reported that the sap causes severe inflammation to the eyes or even blindness.
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Specimen
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BOCAS DEL TORO: No locality, Carleton 156 (US). Region of Almirante, Cooper 123 (F, MICH). RR track near station at Milla 5, Croat & Porter 16491 (MO). Changuinola Valley, Dunlap 49b (F). Runway at Bocas, Lazor et al. 2403 (MO). Changuinola to 5 mi S at junc- tion of Rios Changuinola and Terebe, 100-200 ft, Lewis et al. 811 (GH, MO, US). Chiriquicito to 5 mi S along Rio Guarumo, Lewis et al. 1953 (DUKE, MO). Almirante, McDaniel 5073 (MO). Changuinola to 5 mi S at junction of Rios Changuinola and Terebe, 100-200 ft, Oliver 811 (NY). Vic. of Chiriqui Lagoon, von Wedel 1116 (GH, MO, US). Water Valley, Chiriqui Lagoon, von Wedel 1701 (GH, MO, US). CANAL ZONE: Pipeline Road near Gamboa, Clewell & Tyson 3310 (FSU, MO, PMA). Frijoles, Croat 10371 (MO). Fort Kobbe, Duke 3945 (MO). 1 mi S of the Summit Gardens, Lazor & Blum 5344 (SCZ). Pipeline Road, N of Gam- boa, Luteyn & Foster 1540 (DUKE, F). Navy Reservation, N of Gamboa, Robyns 65-41 (GH, MO). Ancon Hill, Seibert 105 (GH, MO, NY). Vic. of Rio Cocoli near bridge, Stern et al. 318 (GH, MO). Pipeline Road, NW of Gamboa, Wilbur & Teeri 11315b (DUKE, F, GH, MICH, MO). CHIRIQUI: 12 mi W of Puerto Armuelles, 400-500 m, Liesner 213 (MO). COCLE: Boca del Toabre at confluence of Rio Toabre and Rio Cocle del Norte, Lewis et al. 5536 (MO). El Valle de Anton, Wilbur & Luteyn 11712 (DUKE, MO). COLON: Road to Santa Rita, 250 m, Busey & Mahler 334 (DUKE, MO). Portobelo, Chan 52 (MO); D'Arcy 4061 (MO). Santa Rita Hills, Smith 3440 (F). 5-7 mi SW of Portobelo towards Maria Chiquita, Wilbur & Weaver 11196 (DUKE, MO). Portobelo, Wilbur & Luteyn 11656 (DUKE). HERRERA: Road between Las Minas and Pese, 600 ft, Duke 12308 (MO). 12 mi S of Ocui, Graham 231 (GH, MICH); Lewis et al. 1640 (MO). 10 mi S of Ocui, Tyson et al. 2868 (SCZ). 1 mi N of Las Minas and 14 mi S of Ocui, Wilbur et al. 12116 (DUKE). PANAMA: Chagres River between Juan Mina and Madden Dam, Bartlett & Lasser 16493 (MICH, MO). Cerro Azul, Castrejon 38 (PMA). Road between Goofy Lake at Cerro Azul and main highway, Correa & Dressler 435 (SCZ). Cerca del Rio Chagres, Diaz 31 (F, PMA). Piria', 150 m, Duke 14420 (REED). Goofy Lake, Dwyer et al. 4140 (DUKE, MO). Santa Rosa, a orillas del Rio Chagres, Escobar 16 (PMA). Alrededores de Chilibre, Gonzdlez 18 (MO, PMA). Isla Taboga, Hjerting & Rahn 621 (C). Chimatn, Lewis et al. 3338 (DUKE, MO, PMA). Sabanas NE of Panama City, Paul 170 (US). Villa Rosario, Saldana 8 (DUKE, MO, PMA). Tumba Muerto Road, near Panama, Standley 29808 (US). Juan Diaz, Standley 30523 (US). SAN BLAS: Rio Ailigandi, Duke 10829 (REED). VERAGUAS: Cerro de Tute, 1000 ft, Dwyer 4287 (MO, SCZ, US). Ca. 1 km N of Santa Fe, Wilbur & Luteyn 19090 (DUKE).
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