Petrosaviales Clades: Monocots; Lilianae; Angiospermae; Plants. Introduction Petrosaviales is a Order in Monocots. rom Related postsHippopotamus amphibiusMarch 10, 2019Ledum palustreMarch 10, 2019Hippobroma longifloraMarch 10, 2019 Previous postPalmariaceaeNext postMarattiales