Contains 5 accepted taxa overall.

Characteristics
Zanthoxylum L.
PRICKLYASH
Classification
SAPINDALES
Zanthoxylum
Citation
ZANTHOXYLUM Linnaeus, Sp. Pl. 270. 1753.
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TYPE: Zanthoxylum clava-herculis Linnaeus Lectotypified by Rehder, J. Arnold Arbor. 26: 72. 1945.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Zanthoxylum americanum COMMON PRICKLYASH Native Endangered-State FAC (NWPL)
Zanthoxylum clava-herculis HERCULES-CLUB Native FAC (NWPL)
Zanthoxylum fagara WILD LIME; LIME PRICKLYASH Native FACU (NWPL)
Zanthoxylum flavum WEST INDIAN SATINWOOD; YELLOWWOOD; YELLOWHEART Native Endangered-State
Zanthoxylum spinosum BISCAYNE PRICKLYASH; LEATHERY PRICKLYASH Native Endangered-State
[Family identification key]
1.  Leaf paripinnate, without a terminal leaflet
1.  Leaf imparipinnate, with a terminal leaflet
2
2.  Petiole and leaf rachis winged
2.  Petiole and leaf rachis not winged
3
3.  Plant lacking prickles or spines
3.  Plant usually with prickles and/or spines
4
4.  Stem with a pair of spines at the base of the leaf often present, stems otherwise smooth; leaf pubescent; inflorescence axillary
4.  Stem with prickles distributed along the stem and becoming enlarged on the trunk, without spines in distinct pairs at the leaf base; inflorescence terminal
Genus Synonyms
Synonym Full Citation Basionym Type
Curtisia Curtisia Schreber, Gen. Pl. 199. Apr 1789, nom. rej. vs. Curtisia Aiton Aug-Oct 1789. TYPE: Curtisia schreberi J. F. Gmelin
Dimeium Dimeium Rafinesque, Med. Fl. 2: 114. 1830. TYPE: Non designatus.
Fagara Fagara Duhamel du Monceau, Traite Arbr. Arbust. 1: 229, pl. 97. 1755, nom. rej. vs. Fagara Linnaeus 1759. TYPE: = Zanthoxylum Linnaeus 1753.
Fagara Fagara Linnaeus, Syst. Nat., ed. 10. 885, 897, 1362. 1759, nom. cons. vs. Fagara Duhamel du Monceau 1755, et vs. Pterota P. Browne 1756. TYPE: Fagara pterota Linnaeus, typ. cons.
Herculium Herculium Rafinesque, Med. Fl. 2: 114. 1830. TYPE: Non designatus.
Ochroxylum Ochroxylum Schreber, Gen. Pl. 826. 1791. TYPE: = Curtisia Schreber 1789. Substitute name for Curtisia Schreber 1789 (nom. rej.).
Pseudopetalon Pseudopetalon Rafinesque, Fl. Ludov. 107. 1817. TYPE: Pseudopetalon glandulosum Rafinesque
Pterota Pterota P. Browne, Civ. Nat. Hist. Jamaica 146. 1756, nom. rej. vs. Fagara Linnaeus 1759. TYPE: = Fagara Linnaeus 1759.
Tenorea Tenorea Rafinesque, Specchio Sci. 1: 192. 1814, non Tenoria Sprengel 1813. TYPE: Tenorea corymbosa Rafinesque
Thylax Thylax Rafinesque, Med. Fl. 2: 114. 1830. TYPE: Thylax fraxineum (Willdenow) Rafinesque (Zanthoxylum fraxineum Willdenow)
Tobinia Tobinia Desvaux ex Hamilton, Prodr. Pl. Ind. Occid. 56. 1825. TYPE: Non designatus.