Houstonia palmeri, the Saltillo bluet, is a plant species in the family Rubiaceae, native to the Mexican states of Coahuila and Nuevo León.[1][2]
| Houstonia palmeri | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Genus: | Houstonia |
| Species: | H. palmeri
|
| Binomial name | |
| Houstonia palmeri A.Gray
| |
Two varieties are recognized:[3]
- Houstonia palmeri var. palmeri
- Houstonia palmeri var. muzquizana (B.L.Turner) Terrell[2]
References edit
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