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Petrosaviaceae
Petrosavia sakuraii
Scientific classification
Kingdom:
Plantae
Clade:
Tracheophytes
Clade:
Angiosperms
Clade:
Monocots
Order:
Petrosaviales Takht.
Family:
Petrosaviaceae Hutch.[1]
Type species
Petrosavia stellaris
Becc.
Genera
Japonolirion
Petrosavia
Petrosaviaceae is a family of flowering plants belonging to a monotypic order, Petrosaviales. Petrosaviales are monocots, and are grouped within the lilioid monocots. Petrosaviales is a very small order composed of one family, two genera and four species accepted in 2016.[2] Some species are photosynthetic (Japonolirion) and others are rare, leafless, chlorophyllous, mycoheterotrophic plants (Petrosavia). The family is found in low-light montane rainforests in Japan, China, Southeast Asia and Borneo. They are characterised by having bracteate racemes, pedicellate flowers, six persistent tepals, septal nectaries, three almost-distinct carpels, simultaneous microsporogenesis, monosulcate pollen, and follicular fruit.[3]
^Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III". Botanical Journal of the Linnean Society. 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x. hdl:10654/18083.
^Christenhusz, M. J. M. & Byng, J. W. (2016). "The number of known plants species in the world and its annual increase". Phytotaxa. 261 (3): 201–217. doi:10.11646/phytotaxa.261.3.1.
Petrosaviaceae is a family of flowering plants belonging to a monotypic order, Petrosaviales. Petrosaviales are monocots, and are grouped within the lilioid...
Petrosavia is a genus in the family Petrosaviaceae. It includes three mycoheterotrophic species from eastern and southeastern Asia. Petrosavia amamiensis...
Japonolirion is a genus of plants in the family Petrosaviaceae. There is only one known species, Japonolirion osense, endemic to Japan. It is found in...
part of the tree (i.e. Petrosaviaceae, Dioscoreales + Pandanales and Liliales clades appeared), including the crown Petrosaviaceae group may be in the period...