Houstonia palmeri

Saltillo Bluet
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Gentianales
Family:	Rubiaceae
Genus:	Houstonia
Species:	H. palmeri
Binomial name
*Houstonia palmeri* A. Gray

Houstonia palmeri is a plant species in the Rubiaceae, native to the Mexican States of Coahuila and Nuevo León.^[1]^[2]

Two varieties are recognized:^[3]

Houstonia palmeri var. palmeri
Houstonia palmeri var. muzquizana (B.L.Turner) Terrell^[2]

References

↑ Gray, Asa. 1882. Proceedings of the American Academy of Arts and Sciences 17: 202–203.
1 2 Terrell, Edward Everett. 2001. Taxonomic review of Houstonia acerosa and H. palmeri with notes on Hedyotis and Oldenlandia (Rubiaceae). Sida 19:913-922.
↑ Kew World Checklist of Selected Plant Families

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