a. Bot. [f. Gr. ἀπό away + πέταλ-ον petal + -OUS.] Having distinctly separate or free petals.
1875. Bennett & Dyer, trans. Sachs’ Bot., 471. If the leaves of the perianth-whorl are not coherent, but free, this is expressed by the terms eleutherosepalous or aposepalous, and eleutheropetalous or apopetalous.
