What is referred to by 'a shrub'?

What is associated with: a shrine in allentown penn is built above the spot where this patriotic symbol was hidden in 1… Based on the clue 'a shrine of the bab a forerunner of the bahai is i...', what is the answer? Based on the clue 'a shrink created this technique after seeing an ac...', what is the answer? Based on the clue 'a shrub or small tree in the cashew family having ...', what is the answer? Based on the clue 'a shuriken part of the ninja arsenal is better kno...', what is the answer? Based on the clue 'a shut one of these catches no flies', what is the answer? Based on the clue 'a shutout in gin rummy or pat harrington in one da...', what is the answer? Based on the clue 'a shy person at a dance or party', what is the answer?