How Saguaro Cacti Store 1000 Gallons of Water
Clip: Episode 4 | 2m 9s | Video has closed captioning.
The saguaro features a pleated surface which allows it to expand to contain all the water it needs: it can hold over a thousand gallons. During dry times, it can pull from this source to grow and produce flowers and seeds. When fully loaded, the cactus won't need to absorb water for an entire year.
Problems Playing Video? | Closed Captioning