Natural rubber at least showed promise as rubber sources, include the rubber fig ("Ficus elastica"), Panama rubber tree ("Castilla elastica"), various spurges ("Euphorbia" spp.), lettuce ("Lactuca" species), the related "Scorzonera tau-saghyz", various "Taraxacum" species, including common dandelion ("Taraxacum officinale") and Russian dandelion ("Taraxacum kok-saghyz"), and perhaps most importantly for its hypoallergenic properties, guayule ("Parthenium argentatum"). The term gum rubber is sometimes applied to the tree-obtained version of natural rubber in order to distinguish it from the synthetic version. The first use of rubber was by the indigenous cultures of Mesoamerica. The earliest archeological evidence of the use of natural latex from the
The Witness Tree a Plan" by My Friend The Chocolate Cake. "The Witness Tree" was recorded in 1994 at The Plant in Sausalito, California and produced by Booker T. Jones. Matthews states she chose Jones for the producer because "we got along very, very well and he's just steeped in music and rhythm and soul. He was the first person I thought of with this slight gospel, for want of a better word, flavoured album, and he was really into it." The idea for the album came about as Matthews found her interests and motivations "have a connection to the things that I'm