TaxonomyDioscoreales is an Order in the
Monocots in the
Apg3 classification. It has 3 families:
Dioscoreaceae,
Nartheciaceae and
Burmanniaceae.
Petrosaviaceae is placed in its own Order
Petrosaviales in the
Apg3 classification. It is a group of 2 genera that are difficult to place.
It is not easy to be definite about this order due to lack of information in homeopathy. In the
Plant theory Petrosaviaceae is included in
Dioscoreales. Trichopus is placed in its own family Trichopodiaceae, as in the earlier classifications. Tacca is placed in its own family
Taccaceae, as in the earlier classifications.
Dioscoreaceae: 6 genera; Dioscorea, Epipetrum, Rajania, Stenomeris, Tacca, Trichopus.
Nartheciaceae: 5 genera: Aletris, Lophiola, Metanarthecium, Narthecium, Nietneria
Burmanniaceae: parasitic plants; 17 genera: Afrothismia, Apteria, Burmannia, Campylosiphon, Cymbocarpa, Desmogymnosiphon, Dictyostega, Geomitra, Gymnosiphon, Haplothismia, Hexapterella, Marthella, Miersiella, Oxygyne, Scaphiophora, Thismia, Tiputinia.
Subphases1.
Petrosaviaceae2.
Dioscoreaceae.
3. Trichopodiaceae.
4.
Taccaceae.
5.
6.
Nartheciaceae.
7.
Burmanniaceae.