Petrosaviales, a minimal order grouped within the lilioid monocotsWhat is monocots?Angiosperm having only one cotyledon. Cotyledon is seed leaf; the first leaf (or set of leaves) to appear during the early development of a seedling., are found in eastern and southeastern Asia. plants of Petrosaviales have no laticifers and vessels in the axial system and possess simple, small, reduced (or absent) leaves. The flowers are bisexual, actinomorphicWhat is actinomorphic?A characteristic of the flower exhibiting radial symmetry such as starfish or Daisy flower; capable of being bisected into identical halves along more than one axis, forming mirror images. Opposite is Zygomorphic., and typically with six persistent tepals. Japolinorion osense and Petrosavia sakuraii are example species of the Petrosaviales order.
Petrosaviales Families
Petrosaviales has 1 family (Petrosaviaceae), 2 genera, and 4 species[1]. The APG IV system placed Petrosaviaceae family under Order Petrosaviales. Petrosaviaceae has two genera, Japonolirion and Petrosavia. Genus Japonolirion has one species while Petrosavia has 3 species.
