English: Virginia stonecrop.
Names:
Penthorum sedoides is an unresolved name.
Genus: 2 species.
Region: east Asia, eastern North America.
BotanyErect perennial herbs; half a meter tall.
TaxonomyPenthorum is variously classified in the family
Saxifragaceae,
Crassulaceae or its own family
Penthoraceae. DNA analysis has shown that is closest to
Haloragaceae, and can be included in that family.