The answers are...
#2. Bull kelp (Durvillaea antarctica). Eaten in Chilean Patagonia in a salad or cooked together with other ingredients. Needs to be soaked overnight. Then boil shortly with some acidity, slice into pieces.
What are the chances of getting blood from a stone or seeing me cry? Well, the chances of getting blood from a stone are far greater.
Look up the term and see more pics. It could be potentially gross if you are HSP ("highly sensitive").
I ate it, several times. The colour is striking but the taste is even more so. Has a strong flavour. Like bulk kelp, it's sold everywhere at markets in Chilean Patagoinia.
This is the market where I made the photos.
