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(Last Modified On 11/20/2012)
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(Last Modified On 11/20/2012)
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Species
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PEPEROMIA PALMANA C.DC.
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PlaceOfPublication
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Bull. Soc. Bot. Belg. 2 92 :71. 1890; 30':233. 1891.
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Synonym
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Peperomia palmana var. glabrior C.DC. in Candollea 1:304. 1923. Peperomia glabrior Trel. in Contr. U. S. Nat. Herb. 26:44. 1927. Peperoimia laesa T1rel. in Ann. Mo. Bot. Gard. 27:402. 1940.
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Description
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An erect or subassurgent, freely branching, terrestrial or epiphytic herb; stem 2-3 mm. thick toward the base when dry, up to 20-30 cm. tall, rooting from the lowermost nodes, moderately to densely velvety-hirtellous, internodes 3-5 cm. long below, reduced upward; leaves 2, 3, or 4 at a node, rather variable in size and shape, often on the same plant, elliptic, lance-elliptic, suborbicular or obovate, apex bluntly acuminate, base acute, 0.8-2.0 cm. wide X 1-5 cm. long, commonly 1-1.5 X 3-4 cm., very obscurely hirtellous on one or both sides, glabrescent, ciliolate toward the apex, distinctly palmately 3-nerved or the broader leaves 5- nerved, drying thin and translucent, glandular-dotted, somewhat pellucid-dotted; petiole up to 15 mm. long, mostly 5-10 mm., velvety-hirtellous; spikes axillary, 1-2 mm. thick X 2-6 cm. long, closely flowered; peduncle slender, hirtellous glabrescent; bracts round-peltate, rather conspicuously dark-glandular-dotted; fruit subglobose, about 0.5 mm. long, apex oblique, stigma subapical.
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Distribution
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Costa Rica and western Panama.
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Specimen
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CHIRIQUf: vicinity of Casita Alta, Volcain de Chiriqui, alt. about 1500-2000 m., Woodson, Allen d Seibert 876, 97I; vicinity of "New Switzerland," central valley of Rio Chiriqui Viejo, alt. 1800-2000 m., Allen I422; valley of the Upper Rio Chiriqui Viejo, vicinity of Monte Lirio, alt. 1300-1900 m., Seibert I44, I49; Boquete District, Bajo Chorro, alt. 1800 m., Davidson I78; above El Boquete, alt. 1400-1500 m., Killil 35I9; vicinity of El Boquete, alt. 1000-1500 m., Cornman 2052; between the Rio Ladrillo and Los Siguas Camp, southern slope of Cerro de la Horqueta, alt. 1200-1700 m., Maxon 540I, 554I, 5553; Cuesta de la Palmas, southern slope of Cerro de la Horqueta, alt. 1700-2100 m., Pittier 32I7.
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Note
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In the original description of this species DeCandolle said that the leaves and young stems were slightly puberulous, while he described variety glabrior in the Clavis as having glabrous stems. Trelease, later, in raising var. glabrior to specific status, likewise claimed that the plants representing the variety were glabrous. He also described P. laesa as glabrous. The type specimen of var. glabrior has definitely hirtellous stems and some of the leaves are likewise obscurely hirtellous. The type of P. laesa also shows the same characters. The leaves on the type of var. glabrior are somewhat larger than is common for other specimens cited here but this character is so variable that it does not appear advisable to use it for varietal distinction.
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