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(Last Modified On 11/19/2012)
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(Last Modified On 11/19/2012)
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Species
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PIPER IMPERIALE (Miq.) C.DC.
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PlaceOfPublication
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DC. Prodr. 161:339. 1869.
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Synonym
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Artanthe imperialis Miq. in Seem. Bot. Voy. Herald, 198. 1854. Piper portobellense C.DC. Smiths. Misc. Coll. 716:6. 1920. Piper affectans Trel. in Ann. Mo. Bot. Gard. 27:287. 1940. Piper frijolesanum Trel. var. grandifolium Trel. loc. cit. 291. 1940. Piper gigas Trel. loc. cit. 292. 1940.
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Description
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A shrub or small tree, commonly 2-5 m. tall; flowering internodes rather elongate and stoutish, commonly somewhat fleshy-warty especially near the nodes, pubescent or glabrescent; leaves broadly ovate, apex acute or short-acuminate, base somewhat obliquely cordulate with a rather narrow sinus, both sides essentially equal at the petiole or one side a few mm. shorter, up to 29 cm. wide X 50 cm. long but usually somewhat smaller, pinnately nerved below the upper third or fourth, the nerves 7-8 on each side, the lowermost 3 or 4 approximated near the base, with cross-connecting and anastomosing nervules, submarginally loop-con- nected, glabrous above, pubescent beneath, at least the nerves puberulent, the midrib beneath with warty excrescences at least near the base, drying firm, brown, opaque; petiole 6-8 or 12 cm. long, puberulent, vaginate-winged nearly to the blade, with warty-excrescences; spikes 8-10 mm. thick X 30-50 cm. or more long; peduncle 4-6 cm. or more long, sparsely hairy glabrescent; bracts rounded- or triangular-subpeltate, inflexed, yellow-puberulent or glabrate; fruit rather large, obovoid, glabrous, stigmas linear, on a short, stout, deciduous style.
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Habit
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shrub tree
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Distribution
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Panama.
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Specimen
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CHIRIQUI: vicinity of Casita Alta, Volcan de Chiriqui, alt. 1500-2000 m., Woodson, Allen C Seibert 846, 865; Boquete District, Bajo Chorro, alt. 1800 m., Davidson 374. COCLE: vicinity of El Valle, alt. 600-1000 m., Allen II93. CANAL ZONE: between Frijoles and Monte Lirio, alt. 30 m., Killip I2I55; hills north of Frijoles, Standley 2744I; Barro Colorado Island, Standley 3I273, 4III5. COLON: forests around Porto Bello, alt. 5-200 m., Maxon 5795. PANAMA: Taboga Island, Nee 350. DARIEN: Chepigana Distr., Cafia-Cuasi Trail, alt. 600 m., Terry d Terry I500.
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Note
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The types of P. affectans and P. frijolesanum var. grandifolium are less warty and the stems are more glabrous than with the other specimens cited, while the young growth of the type of P. gigas is somewhat more densely pubescent. The type specimens of both P. .affectans and P. gigas are stated as being trees and with a trunk 3 0 cm. in diameter. No other differences have been noted in the herbarium specimens, and it is believed that they all represent variations of the same species. So far as discovered, P. frijolesanum is a nomen nudum as used for var. grandifolium.
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