The term 'shrub genus' refers to a group of plants that are classified as shrubs, which are woody plants with multiple stems and typically grow to a height of less than 8 feet. The crossword solutions for this term include ACER (4 letters), Evea (4 letters), Itea (4 letters), OLEA (4 letters), ERICA (5 letters), Malus (5 letters), Unona (5 letters), and Olearia (7 letters). ACER is a genus of trees and shrubs commonly known as maples, Evea is a genus of flowering shrubs in the family Ericaceae, Itea is a genus of deciduous shrubs in the family Iteaceae, OLEA is a genus of evergreen trees and shrubs in the family Oleaceae, ERICA is a genus of flowering shrubs in the family Ericaceae, Malus is a genus of trees and shrubs in the family Rosaceae, Unona is a genus of shrubs in the family Oleaceae, and Olearia is a genus of shrubs and small trees in the family Asteraceae.