close up calotropis gigantea giant calotrope, biduri, crown flower with a natural background. each flower consists of five point

background beautiful beauty biduri bloom blooming blossom blue botany branch bright calotrope calotropis cochinchinense cochinchinensis crown environment flora floral flower fresh freshness garden giant gigantea giganteus gigantic green growth india indian leaf lour madorius medicine milkweed natural nature outdoor park periploca plant pod purple seed spring streptocaulon sunlight swallow tree tropical white wort