tamaricaceae: family of desert shrubs and trees (mostly halophytes and xerophytes)
dilleniid dicot family: family of more or less advanced dicotyledonous trees and shrubs and herbs
werdnig-hoffman disease: autosomal recessive disease in which the degeneration of spinal nerve cells and brain nerve cells leads to atrophy of skeletal muscles and flaccid paralysis; death usually occurs in early childhood