2.7. 17. Tricomaria Gillies ex Hook. & Arn., Bot. Misc. 3: 157. 1833.

Type species.

Tricomaria usillo Gillies ex Hook. & Arn.

Notes.

Tricomaria comprises a single currently accepted species (no threatened species; Suppl. material 1) of shrubs endemic to the seasonally dry tropical forests of Argentina, South America (POWO 2024). For a taxonomic treatment of Tricomaria, see Aliscioni and Torretta (2017).