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(Last Modified On 9/18/2013)
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(Last Modified On 9/18/2013)
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Species
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Rudgea skutchii Standley
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PlaceOfPublication
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Publ. Field Mus. Nat. Hist., Bot. Ser. 18: 1374. 1938.
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Note
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TYPE: Costa Rica, Skutch 2836 (F, holotype; isotypes NY, US).
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Description
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Trees 2-5 m tall, the branchlets smooth, lustrous, glabrous, the nodes well spaced. Leaves oblong to obovate oblong, occasionally salicoid, 8.5-20.0 cm long, 3-10 cm wide, obtuse or rounded at the apex or occasionally truncate, the acumen narrowly deltoid, conspicuously falcate, to 2 cm long, to 0.25 cm wide in the middle, ultimately acute or obtuse, apiculate, the apiculum occasionally to 0.3 mm long, obtuse, rounded or truncate at the base, occasionally vaguely au- riculate, subequilateral, the costa plane to prominent above, to 0.2 cm wide, the lateral veins 7-9, arcuate, the larger veins to 2.5 cm apart, prominulous above and beneath, the intervenal areas reticulate, chartaceous to papyraceous, scarcely discolorous, often with minute subepidermal raphides above, glabrous beneath; petioles 0.3-0.8 cm long, ca. 0.3 cm wide, minutely puberulent; stipules free, appressed, oblong or rotund, 0.6-0.9 cm long, about as long as wide, obtuse with about 25 crassate, linear oblong, fimbriate excrescences at apex, these to 1 mm long, glabrous. Inflorescences terminal, solitary, glabrous, cymose paniculate, to 6 cm long, to 6 cm wide, the peduncle to 4.5 cm long, 0.1 cm wide, glabrous, often slightly curved, angular, the primary branches 2-3, to 1.5 cm long, the cymules few, 3-flowered. Flowers sessile or pedicellate, the median flower ses- sile, the lateral flowers on pedicels to 1 cm long, glabrous, the floral parts gla- brous, the hypanthium obconic, ca. 2 mm long, the calycine cup to 5 mm long, truncate or with 5 widely triangular teeth, to 0.4 mm long, the margin scarious; corolla white, the tube cylindrical, to 7 mm long, stiffly carnose, the lobes 5, narrowly oblong, 7-8 mm long, with a subapical adaxial projection, narrowly oblong, ca. 2 mm long, the stamens 5, the tips of anthers barely exserted, the anthers narrowly oblong, to 3.5 mm long, obtuse, the filaments short, inserted in the upper 2/3 of the tube, the stigmas included in tube, the style slender, the stigmas erect (at least in bud), subulate. Fruits not seen.
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Habit
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Trees
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Distribution
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restricted to Costa Rica and Panama and Choco, Colombia.
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Note
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It resembles Rudgea killipii Standley from Colombia (holotype Killip & Smith 15246 [US]). While the inflorescences and calycine cups of the two species are strikingly similar, the leaves of R. killipii are scarcely acuminate in contrast to those of R. skutchii. Croat points out (27207) that the flowers are "sweetly aro- matic. "
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Specimen
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BOCAS DEL TORO: Rio Tuquesa ca. 2 km by air from Continental Divide, near Tyler Kittredge gold mining camp, Croat 27187, 27209 (both MO). Forest above railroad stop at Milla 7.5, Croat & Porter 16271 (MO). Punta Pena, near Chiriquicito, Lewis et al. 2143 (COL, MO, UC, VEN), 2166 (MO, UC). COCLE: La Mesa near El Valle, Allen 2699 (MO). N of El Cope, 500 m, D'Arcy 11302 (MO). Rivera sawmill, 600-800 m, Folsom 3149 (MO). PANAMA: Cerro Campana, Dressler 4127 (MO).
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