Author: Jan Scholten
Genera: Japonolirion and Petrosavia.
Botany: high-elevation habitats; bracteate racemes, pedicellate flowers, six persistent tepals, septal nectaries, three nearly distinct carpels, simultaneous microsporogenesis, monosulcate pollen and follicular fruits.
The Apg3 system places the family Petrosaviaceae in its own Order Petrosaviales. In earlier classifications it had been placed in Liliaceae. In homeopathy there is no information about them.