Flourensia
Flourensia is a genus of flowering plants in the family Asteraceae. It contains subshrubs and shrubs, which are commonly known as tarworts. They are found in the southwestern [United States], Mexico, and central South America. The genus name honours French physiologist Jean Pierre Flourens.
Phylogenetic studies found that the genus as previously circumscribed was polyphyletic, and in 2023 many of the South American species were placed in the new genus Austroflourensia.
Species
20 species are currently accepted.- Flourensia blakeana M.O.Dillon – Argentina
- Flourensia campestris Griseb. – Argentina
- Flourensia cernua DC. – American tarwort, tarbush - Chihuahua, Coahuila, USA
- Flourensia collodes S.F.Blake – Chiapas, Oaxaca
- Flourensia dentata S.F.Blake – Zacatecas
- Flourensia glutinosa - Oaxaca and Puebla
- Flourensia hirta S.F.Blake – Argentina
- Flourensia ilicifolia Brandegee – Coahuila
- Flourensia laurifolia DC. – San [Luis Potosí], Tamaulipas, Hidalgo
- Flourensia leptopoda S.F.Blake – Argentina
- Flourensia macroligulata Seeligm. – Argentina
- Flourensia microphylla
- Flourensia monticola M.O. Dillon – Coahuila, Nuevo León
- Flourensia oolepis S.F.Blake – Argentina
- Flourensia pringlei S.F.Blake – Chihuahua, Durango, New Mexico
- Flourensia pulcherrima M.O.Dillon – Durango
- Flourensia resinosa S.F.Blake – Hidalgo, Querétaro
- Flourensia retinophylla S.F.Blake – Coahuila
- Flourensia riparia Griseb. – Argentina
- Flourensia solitaria S.F.Blake – Coahuila
Formerly placed here
- Austroflourensia angustifolia – Peru
- Austroflourensia cajabambensis – Peru
- Austroflourensia fiebrigii – Argentina, Bolivia
- Austroflourensia glutinosa – Bolivia, Peru
- Austroflourensia hirtissima – Argentina
- Austroflourensia macrophylla – Peru
- Austroflourensia niederleinii – Argentina
- Austroflourensia peruviana – Peru
- Austroflourensia polycephala – Peru
- Austroflourensia suffrutescens – Argentina
- Austroflourensia thurifera – Chile
- Austroflourensia tortuosa – Argentina