rex begonia(n = noun.plant) beefsteak geranium, begonia rex, king begonia, painted-leaf begonia - any of numerous usually rhizomatous hybrid begonias derived from an East Indian plant having rough-textured leaves patterned in silver and bronze and purple and red-brown with inconspicuous flowers;
is a kind of begonia

angel-wing begonia, balaeniceps rex, beefsteak begonia, begonia, begonia cheimantha, begonia cocchinea, begonia dregei, begonia erythrophylla, begonia family, begonia feastii, begonia heracleifolia, begonia rex, begonia semperflorens, begonia socotrana, begonia tuberhybrida, blooming-fool begonia, christmas begonia, fibrous-rooted begonia, genus begonia, grape-leaf begonia, hybrid tuberous begonia, kidney begonia, king begonia, maple-leaf begonia, oedipus rex, painted-leaf begonia, rex, rex harrison, rhizomatous begonia, sir rex harrison, socotra begonia, star begonia, star-leaf begonia, tuberous begonia, tyrannosaurus rex, watermelon begonia, wax begonia