Zanthoxylum schreberi (J.F. Gmel.) Reynel, Phytoneuron 2015-22: 6. 2015; Curtisia schreberi J.F. Gmel.; Zanthoxylum monophyllum (Lam.) P. Wilson; Fagara monophylla Lam.

Arboles or treelets, (2) 3–8 m de alto, troncos y ramas armados con acúleos, ramitas occasionally and rarely leaf midrib with numerous straight to slightly upward curving spines, without short-shoots, without zig-zag growth form; apical bud 0.5-2.3 mm de ancho, glabrous or with scattered hairs; ramitas 1-1.3 mm de ancho, wtih scattered, spreading hairs or glabrous. Hojas alternately evenly distributed or clustered at ramitas apices, unifolioladas de apariencia simple, el folíolo irregularly elíptico (rarely obovate), 6-12.5 cm de largo y 3-6 cm de ancho, ápice rounded to agudo (rarely acuminate) and retuse, base cuneate to attenuate, margen inconspicuously crenulate to subentero, usually revolute at base, with scattered spreading hairs to glabrous, membraous to chartaceous, 6-10 pairs of secondary veins; petiole 7-20 mm. Panículas terminales, 3-5 cm de largo, 2 or 3 times branched, rachis terete, densely puberulent with scattered spreading hairs, pedicels 2.6-3.3 mm de largo y 0.2-0.3 mm de ancho, with scattered spreading hairs; flowers 5-merous; sépalos lanceolate, 1/6-1/3 length of pétalos, glabrous, persistent; pétalos 2-2.3 mm de largo; carpels 1-3 (-5). Folículos 1 ó 2 (3?), with 1 or 2 scars or aborted carpels, free, 5-5.5 mm de largo, glabros, stipe 0-1 mm de largo; seeds ca 4 mm de largo.

Poco frecuente, bosques secos, zona pacífica; 100–1000 m; fl jun, fr oct; Moreno 21550, 21984; Nicaragua a Venezuela and Peru y Trinidad y en las Antillas.This taxon was treated as Zanthoxylum monophyllum in the published Flora de Nicaragua.