Balsam Spurge, Sweet tabaiba - Euphorbia balsamifera
Emblematic of Lanzarote, seen close to Cueva de Los Verdes. In Spanish. tabaiba dulce.
Interesting uses:
Wikipedia <<...Milky latex of Euphorbia balsamifera is poisonous like in other Euphorbia species, but it is not so caustic. It is widely used[where?] in dentistry as anesthesia for acute dental pulpitis treatment...The leaves were formerly eaten by herders and their families in Oman at the beginning of the monsoon, for at this time there would be very little to eat otherwise. The leaves were also gathered and cooked as a green vegetable in the Canary Islands...>>
"Euphorbia balsamifera" is a flowering plant in the spurge family Euphorbiaceae. It is distributed from Arabian Peninsula to Sahara and Canary Islands. It is the vegetable symbol of the island of Lanzarote.