leather flower: woody vine of the southern United States having purple or blue flowers with leathery recurved sepals
entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
ribonucleic acid: (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell