Contains 3 accepted taxa overall.

Characteristics
Stachytarpheta Vahl
PORTERWEED
Classification
LAMIALES
Stachytarpheta
Citation
STACHYTARPHETA Vahl, Enum. Pl. 1: 205. 1804, nom. cons. vs. Valerianoides Medikus 1789, et vs. Vermicularia Moench 1802.
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TYPE: Stachytarpheta jamaicensis (Linnaeus) Vahl, typ. cons. (Verbena jamaicensis Linnaeus)
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Stachytarpheta cayennensis NETTLELEAF VELVETBERRY Not Native FACU (NWPL) Y
Stachytarpheta jamaicensis BLUE PORTERWEED; JOEE Native FACU (NWPL)
Stachytarpheta x intercedens Not Native
[Family identification key]
1.  Plant erect; leaf blade strongly rugose, with the tertiary and reticulate veins impressed on the upper surface; inflorescence rachis somewhat flexuous, 1-3 mm wide; floral bracts 3-5 x 1-2 mm, ovate-lanceolate, scariously margined mostly above the middle; furrows from the immersed flowers nearly as wide as the rachis
1.  Plant decumbent to erect; leaf blade not strongly rugose, the tertiary and reticulate veins not impressed or only slightly so on the upper surface (only the secondary veins conspicuously impressed); inflorescence rachis relatively stiff, 2-7 mm wide; floral bracts 4-8 x 1.5-2.5 mm, lanceolate-subulate, scariously margined below the middle; furrows from the immersed flowers narrower than the rachis
Genus Synonyms
Synonym Full Citation Basionym Type
Abena Abena (Schauer) Necker ex Hitchcock, Rep. (Annual) Missouri Bot. Gard. 4: 117. 1893. BASIONYM: Unknown. TYPE: = Stachytarpheta Vahl 1804.
Cymburus Cymburus Salisbury, Parad. Lond. pl. 49. 1806. TYPE: Cymburus mutabilis (Jacquin) Salisbury (Verbena mutabilis Jacquin)
Melasanthus Melasanthus Pohl, Flora 10: 149. 1827. TYPE: Non designatus.
Sherardia Sherardia Miller, Gard. Dict. Abr., ed. 4. 1754, non Linnaeus 1753. TYPE: Non designatus.
Tarpheta Tarpheta Rafinesque, Fl. Tellur. 2: 103. 1837 ("1836"). TYPE: = Stachytarpheta Vahl 1804.
Valerianoides Valerianoides Medikus, Philos. Bot. 1: 177. 1789, nom. rej. vs. Stachytarpheta Vahl 1804. TYPE: = Stachytarpheta Vahl 1804.
Vermicularia Vermicularia Moench, Suppl. Meth. 150. 1802, nom. rej. vs. Stachytarpheta Vahl 1804. TYPE: Vermicularia decurrens Moench, nom. illegit. (Verbena jamaicensis Linnaeus) = Stachytarpheta Vahl 1804.