The term catalpa speciosa is identified in base64 scheme by the sequence Y2F0YWxwYSBzcGVjaW9zYQ==, while the MD5 signature is equal to 42b2f0d7ee638dd0d2a86fe7c10fb119. The ASCII encoding of catalpa speciosa in hexadecimal notation is 636174616c70612073706563696f7361.