International Journal of Plant Sciences, Vol. 166, No. 2 (March 2005), pp. 257-264 (8 pages) Stenocereus eruca and Stenocereus gummosus are two closely related columnar cacti of the Sonoran Desert ...

Historical patterns of gene flow and vicariance influence the genetic and phylogeographic structure of populations (Avise, 2000) and are two of the most important mechanisms invoked to explain the ...

AbstractPlant-pollinator interactions are great model systems to investigate mutualistic relationships. We compared pollinator effectiveness between facultative and obligate nectar-feeding bats to ...

It's a remarkable sight: a tiny, rocky island, no more than three square kilometers in size, absolutely packed with large columnar cacti. Located in the Gulf of Mexico, Isla San Pedro Mártir (pictured ...

The saguaro cacti around my museum home look like they are celebrating! Flowers and fruits ring their crowns and the tips of their arms. Soon after the white flowers close, the bright red, open fruits ...

Visitors to Mexico and the U.S. Southwest can't help but stand in awe of the solitary and majestic saguaro, the towering clusters of the organ pipe cactus and Baja's cardón, the appropriately named ...

The saguaro cactus may be the most recognizable plant in the Southwest. It’s so entwined with this region that it adorns buildings, logos, signs and license plates throughout Arizona. Its likeness has ...