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(Last Modified On 7/29/2013)
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(Last Modified On 7/29/2013)
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Species
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Justicia aurea Schlecht.
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PlaceOfPublication
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Linnaea 7: 393. 1832
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Note
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non Jacobinia aurea Iliern. (1877). TYPE: Mexico, Schlechtendal (B.?; not seen).
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Synonym
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Justicia umbrosa Benth., PI. Hartw. 79. 1841. TYPE: Mexico, Hfatweg 552, (not seen). fide Leonard. Jacobinia aurea (Schlecht.) Hemsl., Diag. PI. Nov. 2: 35. 1879. Jacobinia umbrosa (Benth.) Blake, Contr. Cray Herb. 52: 103. 1917.
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Description
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Shrub to 3.5 m tall; stem subquadrangular when young, tomentose. Leaves ovate to ovate elliptic, 15-40 cm long, 8-17 cm wide, apically acuminate, basally attenuate, glabrous to sparingly strigose above, the hairs more dense on the costa, glabrous to strigose beneath, hairs more dense at the costa, the cystoliths dense and prominent on the upper surface, the margins entire, undulate or crenulate; petioles 1-9 cm long, tomentose. Inflorescences densely thyrsoid at or near the ends of the branches, 8-33 cm long, ca. 5 cm wide excluding the flowers, the
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Habit
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Shrub
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Description
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rachises tomentose; bracts linear lanceolate, mostly 11 mm long, 1-2 mm wide, the bracteoles similar though a little smaller, both puberulous. Flowers with 5-merous calyx, the segments lanceolate, to 7 mm long, 1.5 mm wide at the base, puberulous; corolla yellow, bilabiate, cylindrical, to 5.5 cm long, 3 mm wide, puberulous-glandular outside, glabrous inside except for bearded throat, the lips ca. 2.5 cm long, the upper lip erect, 7 mm wide, apically acute, the lower lip 6 mm wide, apically 3-lobed, the lobes ca. 1 mm long, apically rounded and slightly hooded, especially the middle lobe; stamens exserted to about the tip of the upper lip, the anthers 3 mm long, glabrous, the cells unequal, basally acute, the filaments stout, ca. 0.75 mm wide, glabrous; ovary 2 mm long, 1 mm wide, gla- brous. Capsule puberulous, clavate, 2.0-2.5 cm long, ca. 5 mm wide, 4 mm thick; seeds 4, flattened, suborbicular, ca. 2 mm in diameter, the surface roughened.
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Distribution
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This species is found in moist habitats along stream banks, trails, roads and clearings to about 2,000 m in southern Mexico and Central America.
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Elevation
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to about 2,000 m
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Specimen
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CHIRIQUI: "New Switzerland," central valley of Rio Chiriqui Viejo, 1800-2000 m, Allen 1418 (MO). NW side of Cerro Pando, Croat 15946 (MO). Roadside between Cerro Punta and Bajo Grande, Croat & Porter 16013 (MO). Top of peak between Baru and Respinga, 3000 m, D'Arcy 10128 (MO). Bajo Mono, Boquete District, Davidson 563 (MO). NW of Boquete, Cerro Horqueta, 5000-5800 ft, Dwyer et al. 521 (MO). Slopes of Cerro Punta, ca. 2000 m, Gentry 5862 (DUKE, MO). Valley of upper Rio Chiriqui Viejo, P. White 338 (MO). Rio Chiriqui Viejo Valley, P. White 1577 (MO). NW side of mountain of Cerro Punta beyond Las Nubes, ca. 7500 ft, Wi/hur & Teeri 13216 (DUKE). Weedy trail and cut- over slopes ca. 2 km W of La Garita, ca. 3 km WNW of Cerro Punta at 2000r m, Wilbur et al. 15274 (DUKE). COCLE]: Region N of El Valle de Ant6n, 800-1000 m, Allen 2927, 3695, 3713 (all MO). El Valle, on edge of bog, ca. 2700 m, Dwyer 162 (MO). El Valle, village, Dwyer 1842 (MO). DARIEN: Path from Pucro to Rio Pucro, Duke 5362 (MO). El Real airport, 1 mi from Panamerican Highway, Sexton 254 ( MO1). SAN BLAS: Mountains above Puerto Obaldia, Gentry 1500 (MO). VERAGUAS: 5 mi W of Santa Fe on road past Escuela Agricola de Alto Piedra on Pacific side of divide, 800-1200 m, Liesner 852a, 845 (both MO). NW of Santa Fe, 2 km from Escuela Agricola Alto de Piedra, Mori & Kallunki 5224 (MO).
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