A Different Strategy for Desert Survival

World's First 'Self-Watering' Desert Plant: Desert Rhubarb.​

 

Interesting one, though far from the only case of self-irrigating plants - many species in coastal deserts are adapted to harvest water by fog drip from sea mist. Remember reading that on Tenerife (Canary Islands), rainfall in the open is 20cm/year, but under Pinus canariensis trees, fog drip off the pine's needles increases precipitation to 80cm/year.

Anyone know what species of Rheum it is in the article?

 

According to other articles on the subject it is Rheum palaestinum.

 

Thanks!