Parietaria pensylvanica
Encyclopedia
Parietaria pensylvanica is a species of flowering plant in the nettle family
known by the common name Pennsylvania pellitory. It is native to much of North America including most of southern Canada, the entire United States, and northern Mexico. It grows in many types of habitat, including disturbed areas. It is an annual herb growing decumbent or erect to a maximum height near half a meter. The alternately arranged leaves are lance-shaped or oval with a pointed tip and measure up to 9 centimeters in length. The inflorescence
is a cluster of flowers emerging from the leaf axils. The flower lacks petals but it has tiny pointed reddish brown sepal
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Urticaceae
Urticaceae, or the nettle family, is a family of flowering plants. The family name comes from the genus Urtica . Urticaceae includes a number of well-known and useful plants, including the aforementioned nettles, Ramie , māmaki , and ajlai .The family includes approximately 2600 species, grouped...
known by the common name Pennsylvania pellitory. It is native to much of North America including most of southern Canada, the entire United States, and northern Mexico. It grows in many types of habitat, including disturbed areas. It is an annual herb growing decumbent or erect to a maximum height near half a meter. The alternately arranged leaves are lance-shaped or oval with a pointed tip and measure up to 9 centimeters in length. The inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...
is a cluster of flowers emerging from the leaf axils. The flower lacks petals but it has tiny pointed reddish brown sepal
Sepal
A sepal is a part of the flower of angiosperms . Collectively the sepals form the calyx, which is the outermost whorl of parts that form a flower. Usually green, sepals have the typical function of protecting the petals when the flower is in bud...
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