Mosaics In Science flowering phenology of the saguaro

The saguaro, (Carnegiea gigantea), is a giant columnar cactus that can grow up to 15 m tall and weigh several tons, of which at least 85% of the mass is water. This is the most common cactus specie…

Saguaro Flower Power Project - Saguaro National Park (U.S. National Park Service)

Mosaics In Science flowering phenology of the saguaro

Bees, bats and butterflies: Backyard science projects for the whole family

American Journal of Botany

Irregular 'side blooms' on saguaros signify a parched desert, News

1,700+ Saguaro Cactus Blossom Stock Photos, Pictures & Royalty-Free Images - iStock

Saguaro Flower Power Project - Saguaro National Park (U.S. National Park Service)

SONORAN DESERT COLUMNAR CACTI AND THE EVOLUTION OF GENERALIZED POLLINATION SYSTEMS - Fleming - 2001 - Ecological Monographs - Wiley Online Library

Flowering Phenology and Observations on the Pollination Biology of South American Cacti. 2. Cereus aethiops

Saguaro Flowering Changes Observed by Scientists

Sunset In Saguaro Cactus Desert, Painting by Lucia Verdejo