Spp. Yucca glauca
Fam. Liliaceae
Sweet, bland and cool.  Anti-inflammatory, antirheumatic, laxative, alterative.  
Yucca has a long history of relieving the symptoms of rheumatic pains because of its supposed steroid saponin content. It has been used to help with intestinal cramping and has been used as a food source by indeginious peoples.
Wildharvested and kosher