Synonyms for Subgenus Azaleastrum are a group of flowering plants commonly found in the Rhododendron genus. This subgenus is characterized by small, brightly colored flowers that appear in early spring. Some of the synonyms for this subgenus include Pentanthera, Sciadorhodion, and Tsutsusi. These terms are frequently used to refer to the same group of plants, and they can often be used interchangeably. The subgenus Azaleastrum is popular among gardeners and horticulturalists alike for its bright, showy flowers and easy-to-grow nature. Whether you're a plant enthusiast or simply enjoy the beauty of nature, Subgenus Azaleastrum is definitely a group of flowers worth exploring.