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Genus of flowering plants From Wikipedia, the free encyclopedia
Parietaria is a genus of flowering plants in the family Urticaceae, native to temperate and tropical regions across the world.[1][2][3][4][5][6]
| Parietaria | |
|---|---|
| |
| Parietaria judaica | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Urticaceae |
| Genus: | Parietaria L. |
| Species | |
|
See text | |
They are annual or perennial herbaceous plants growing to 20–80 cm tall, with green or pink stems. The leaves are alternate, simple, entire, often with a cluster of small leaves in their axils. Individual flowers are bisexual or unisexual, produced in clusters of three to many together in the leaf axils. Plants have either bisexual flowers or both staminate ("male") and carpellate ("female") flowers. The fruit is a small dry achene.[3][4][5]
As of November 2013[update], The Plant List accepted only 10 species:[7]
Names which The Plant List did not accept but regarded as unresolved as of November 2013[update] include:[7]
Other species have been moved to different genera:[7]
Several species can be weeds; the Mediterranean species P. judaica is widely naturalised in the Americas, while the American P. pensylvanica is conversely naturalised in Europe.[1][3]
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