a. Bot. [f. as prec. + -OUS.] = prec.
1841. Lindley, Elem. Bot., 55. When [the ovule is] attached by its middle, so that the foramen is at one end and the base at the other, it is amphitropous.
1870. Hooker, Stud. Flora, 47. Frankeniaceæ … ovules … amphitropous with the micropyle below.
