Penthorum

Penthorum
	Penthorum chinense
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Saxifragales
Family:	Penthoraceae; Rydb. ex Britt.[1]
Genus:	Penthorum; L.
Type species
	P. sedoides L.;
Species
	Penthorum chinense[2]; Penthorum sedoides[3]
	The range of Penthorum.

Penthorum is a genus of plants in the order Saxifragales. They are erect herbaceous perennials about half a meter tall. The genus consists of two species, one from east Asia and one from eastern North America.[2] It is variously classified in the family Saxifragaceae[2] or its own family Penthoraceae.[1][4] Its closest relatives may be in Haloragaceae.[2]

References

Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III" (PDF). Botanical Journal of the Linnean Society. 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x. Retrieved 2013-07-06.
"Penthorum Linnaeus". Flora of China.
"Penthorum sedoides L." Flora of Missouri.
"Penthoraceae Rydb. ex Britton, nom. cons". Germplasm Resources Information Network. Archived from the original on 2009-05-06. Retrieved 2009-02-15.

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[APGIII2009-1] Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III" (PDF). Botanical Journal of the Linnean Society. 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x. Retrieved 2013-07-06.

[china-2] "Penthorum Linnaeus". Flora of China.

[missouri-3] "Penthorum sedoides L." Flora of Missouri.

[4] "Penthoraceae Rydb. ex Britton, nom. cons". Germplasm Resources Information Network. Archived from the original on 2009-05-06. Retrieved 2009-02-15.