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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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PIPER LEPTOCLADUM C.DC.
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PlaceOfPublication
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Anal. Inst. Fis.-Geogr. Costa Rica 9:164. 1897.
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Synonym
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Piper dilatatum Rich. var. leptocladum C.DC. in Candollea 1:96. 1923. Piper diazanum Trel. in Contr. U. S. Nat. Herb. 26:34. 1927. Piper diazanum var. viae-kobeanae Trel. in Ann. Mo. Bot. Gard. 27:290. 1940. Piper tabernillanum Trel. loc. cit. 298. 1940.
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Description
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A shrub, up to about 3 m. tall; flowering internodes slender and rather short, sparsely crisp-hairy; leaves subrhombically elliptic, lanceolate, or subovate, smooth or slightly rugose, occasionally slightly scabrous, apex gradually sharp-acuminate, base rounded, obtuse to cordulate, or subcordate, equal at the petiole or with one side slightly shorter, 4-5 or sometimes 7 cm. wide X 10-17 cm. long, pinnately nerved from the lower half, the nerves 4-5 on each side, puberulent above along the nerves, rather sparsely appressed- or crisp-pubescent on the nerves beneath, glandular-dotted, drying rather thin, green, translucent; petiole 5-10 mm. long, crisp-villous, vaginate at the base; spikes 3 mm. thick X 6-9 cm. long; peduncle about 5 mm. long, pubescent or glabrate; bracts triangular-subpeltate, yellow- fringed; fruit obpyramidal-trigonous, glabrous, green to dark-colored, stigmas small, sessile.
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Habit
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shrub
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Distribution
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Panama and Costa Rica.
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Specimen
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CANAL ZONE: vicinity of Fort Sherman, Standley 30953, 30974, 30996; Monte Lirio, Maxon 6843; Matachin to Las Cascadas, Cowell 338; Las Cascadas Plantation, near Sum- mit, Standley 25798, 29625; Fort San Lorenzo, Fort Sherman Military Reservation, Maxon & Valentine 70I2-the leaves on this specimen are smaller and less pubescent than cus- tomary for this species but it appears to agree in all other characters; Barro Colorado Island, Bailey & Bailey 55, 104, 242; Kenoyer 307, 308; Standley 40862, 4I035; Cerro Gordo, near Culebra, Standley 26006; around Tabernilla, along the railroad, alt. 20-25 m., Pittier 3828; Empire, Miller I765; Mt. Hope Cemetery, Standley 28802; Obispo, Standley 3i67I; Fort Kobe road, Woodson, Allen & Seibert I412. COL6N: forests around Porto Bello, alt. 5-100 m., Pittier 2428. PANAMA: Juan Diaz, deep woods, Killip 3II4.
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Note
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This species rather closely resembles P. dilatatum of South America but differs because of its glabrous fruit and other minor characters.
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