Galium orizabense (bald bedstraw) is a species of plants in the family Rubiaceae, named for the town of Orizaba in Veracruz, where the first collections of the species were made.Hemsley, William Botting. 1880. Diagnoses Plantarum Novarum Mexicanarum 3: 54 The species is native to Mexico (from Sinaloa + Nuevo León south to Oaxaca), Costa Rica, Guatemala, Panama, Venezuela, Colombia, and Hispaniola, plus widely scattered locations in the southeastern United States.Kew World Checklist of Selected Plant FamiliesBiota of North America ProgramDempster, L. 1975. Galium. In Standley, P.C. & Williams, L.O. (Eds), Flora of Guatemala - Part XI, Numbers 1 to 3. Fieldiana: Botany 24(11/1–3): 74–78.Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera. 2012. Rubiaceae a Verbenaceae. 4(2): i–xvi, 1–533. In G. Davidse, M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera (eds.) Flora Mesoamericana. Missouri Botanical Garden Press, St. Louis.
Subspecies Two subspecies are recognized (May 2014).The Plant List, Galium orizabense Hemsl. Galium orizabense subsp. laevicaule (Weath. & Blake) Dempster - United States and Hispaniola Galium orizabense subsp. orizabense - Mexico, Central America, South America
References
External links Photo of herbarium specimen at Missouri Botanical Garden, collected in Sinaloa in 1970, Galium orizabense Photo of herbarium specimen at Field Museum in Chicago, collected in Panama Gardening Europe