quail bush: spiny shrub with silvery-scurfy foliage of alkaline plains of southwestern United States and Mexico
saltbush: any of various shrubby plants of the genus Atriplex that thrive in dry alkaline soil
inferior vena cava: receives blood from lower limbs and abdominal organs and empties into the posterior part of the right atrium of the heart; formed from the union of the two iliac veins