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(Last Modified On 9/17/2013)
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(Last Modified On 9/17/2013)
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Species
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Rudgea cornifolia (H.B.K.) Standley
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PlaceOfPublication
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Field Mus. Publ. Bot. 432. 1931
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Synonym
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Psychotria cornifolia H.B.K., Nov. Gen. Sp. P1. 3: 362. 1819. TYPE: Venezuela, Humboldt & Bon- pland 893 (P), not seen. Psychotria fimbriata Benth., Hook. London J. Bot. 3: 226. 1841. TYPE: British Guiana, Schomburgk 51, not seen. Rudgea micrantha Muell.-Arg., Flora 69: 454. 1876. TYPE: Brazil, Martius 3007 (Photo type from M at F). Rudgea ceratopetala Donnell Smith, Bot. Gazette 35: 3. 1903. TYPE: Guatemala, Tuerckheim 7904 (F, holotype). Rudgea fimbriata (Benth.) Standley in Standley and Calderon, List P1. Salvador., 274. 1920. Strempelia ceratopetala (Donnell Smith) Brem., Recueil Trav. Bot. Neerl. 31: 303. 1934. Strempelia fimbriata (Benth.) Brem., Recueil Trav. Bot. Neerl. 31: 303. 1934.
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Description
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Trees to 7 m tall, the branchlets slender, smooth, glabrous, nodose, the nodes well spaced. Leaves oblong to lanceolate, occasionally obovate, 8-14 cm long, to 7 cm wide, obtuse or rounded at the apex, occasionally subacute, acuminate, the acumen to 1.7 cm long, to 0.3 cm wide, obtuse to cuneate at the base, oc- casionally vaguely auriculate, the costa slender, prominulous above and beneath, occasionally with pores ("domatia") in the vein axils, the lateral veins 7-8, at first strict, then arcuate, joining adjacent veins to form an undulate submarginal vein to 1.5 cm from the margin, chartaceous, concolorous, glabrous; petioles absent or to 0.7 cm long, glabrous to minutely pubescent; stipules connate, com- pressed rectangular, to 3 mm long, truncate, subcoriaceous, glabrous, the margin thickened with ca. 6 triangular subulate lobes, to 0.75 mm long. Inflorescences terminal, solitary, glabrous, paniculate; peduncles 3.5-4.0 cm long, usually longer than the remainder of the inflorescence, either with 4 upright branches umbel- lately disposed and once ramose or the rachis with 2 pairs of opposite branches, to 2 cm long, dichotomous, each branchlet with a single few flowered cymule. Flowers glabrous; hypanthium oblong or rotund, the calycine cup cylindrical, ca. 2 mm long, carnose, the teeth as evanescent points; corolla white, to 7 mm long, the tube basally attenuate, the lobes 5, cucullate, longer than the tube; anthers 5, narrowly oblong, ca. 3 mm long, obtuse, dorsifixed, the filaments short; stigmas 2, capitate, the style narrowly cylindrical, thicker above the middle, the ovary wall and septum thick. Fruits white, rotund or compressed rotund, to 5.5 mm long, to 6.5 mm wide, smooth, glabrous, minutely farinose often vaguely 2-lobed, the calycine scar annular, ca. 1 mm in diam.
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Habit
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Trees
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Distribution
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occurs in Middle America and in South America south to Bolivia.
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Specimen
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BOCAS DEL TORO: Fish Creek Mts., Wedel 2301 (US). Chiriqui Lagoon, Wedel 2365 (US). CANAL ZONE: Frijoles, Standley 27506, 27591 (both US). COL6N: Santa Rita Ridge Road, ca. 8.5 km from Boyd-Roosevelt Highway, Mori & Kallunki 2081 (MO). Santa Rita Ridge, 10 mi from Transisthmian Highway, Porter et al. 4758 (MO, SCZ). DARIEN: Pinogana and Yaviza, Allen 288 (MO), 927 (US). El Real, Duke 4836 (MO). Cerro Piriaque, Duke 8085 (MO). Santa Fe, Duke 8407, 10249, 10697, 10700, 14262, 14290 (all MO). Rio Perecenico and Rancho Frio, Duke & Elias 13878 (MO). Casi-Cana Trail, Cerro Campamento E of Tres Bocas, Kirkbride & Duke 1221 (MO). N slope of Cerro Pirre, ca. 300-700 m, Mori & Kallunki 5394, 5514 (both MO). El Real, Stern et al. 120 (MO, US). Cerro Piriaque, Tyson et al. 3840 (MO). Rio Lara, Tyson & Loftin 3851 (MO). Santa Fe, Tyson et al. 4718 (MO). PANAMA: Cerro Jefe, Divyer et al. 7240 (MO, SCZ, US); Dwvyer & Gauger 7369 (GH, K, MO, UC, US). SAN BLAS: Rio Diabolo and Rio Asuati near Margana, Duke 14872 (MO). 3-4 hour walk up Rio Mulatupo, Kirkbride 232 (MO). El Llano-Carti Road, 24.5-25.0 km from Interamerican Highway, Mori & Kallunki 5530 (MO).
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