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Published In: Contributions from the United States National Herbarium 20(12): 480. 1922. (Contr. U.S. Natl. Herb.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/3/2009)
Acceptance : Accepted
Project Data     (Last Modified On 11/2/2009)
Changes: Description change, Distribution change

Conservation Calculations     (Last Modified On 11/2/2009)
Ecological Value: 3.55000
Num Project Specimens: 23
Newest Specimen Year: 2019
Oldest Specimen Year: 1977
Conservation Value: 85.52000
Conservation Abbrev: LC


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Zanthoxylum setulosum P. Wilson, Contr. U.S. Natl. Herb. 20: 480. 1922.

Arboles, 4–20 m de alto, troncos y ramas armados con acúleos, ramitas and leaf rachis often with numerous straight and slightly upward curving spines, spines occasional on leaflet midribs, without short-shoots, without zig-zag growth form; apical bud 1.3-5 mm de ancho, with dense appressed and upward spreading hairs; ramitas alternating short swollen zones, 7-15 mm wide with numerous close leaf scars with longer, non-swollen zones, 4.5-8 mm de ancho, with evenly distributed leaf scars, dense (rarely sparse) appressed to upward spreading hairs. Hojas clustered at ramitas apices and alternately evenly distributed, imparipinnadas, 25-36 cm de largo, rachis terete, 1.5-2.5 mm de ancho; folíolos 13-19, lateral folíolos elípticos or irregular-elípticos, 4.5-13 cm de largo y 1-4.2 cm de ancho, ápice acuminado or acute and cuspidate, base inaequilateral, acute to obtuse or rounded, margen serrulate or rarely entire-undulate, with sparse appressed hairs, chartaceous, 7-18 pairs of secondary veins, sessile to petiolate 1 mm on one side to 2 mm on the other side. Panículas subterminal, 7-15 cm de largo, 2 or 3 times branched, rachis terete, densely covered with appressed to upward spreading hairs, pedicels 0.3-1 mm de largo y ca 0.3 mm de ancho, glabrous or nearly so; flowers 5-merous; sépalos deltoid, 1/5-1/4 length of petals, glabrous or puberulent and ciliate, persistent; pétalos ca 1.7 mm de largo; carpels 3-5. Folículos 2-5 often with 1-3 retained aborted carpels or scars, free, ca 3.3 mm de largo, glabrous, without stipe; seeds 2.7-3 mm de largo.

Poco frecuente, bosques húmedos, zonas pacífica y atlántica; 60–600 m; fr ago–sep; Moreno 24465, Stevens 4173; Nicaragua a Colombia and Venezuela. "Pochotillo".



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