Definition of corral for English Language Learners. : an area that is surrounded by a fence and that is used for holding animals (such as cows and horses) on a farm or ranch.
Saffron contains a poison that acts on the central nervous system and damages the kidneys. Large doses can have severe effects; 10-12 grams is a fatal dose for humans. The high cost of saffron and the availability of synthetic substitutes make its use as a medicine rare. Use only the anthers; corms are poisonous.
I love this plant and am so sorry to see it get a bad reputation. Euphorbia myrsinites (donkey tail or creeping splurge) is poisonous. Allergic reactions are not uncommon in Euphorbias, in general. Sedum morganianum (donkey tail, burro's tail, lamb's tail) is a succulent and is safe. The pictures on this page are the harmless succulent. If you bought a donkey tail sedum and it looks like the pictures on this page, you are safe.