Pacific Water Parsley
Oenanthe sarmentosa
47.6627, -122.682
Field Notes
Description:
Oenanthe sarmentosa is a species of flowering plant in the carrot family known by the common name water parsley.
Habitat:
It is native to western North America from Alaska to California, where it grows in wet areas, such as streambanks. It is sometimes aquatic, growing in the water.
Notes:
The plant has been used in cultivation in wetlands, and the recent discovery of several colonies growing by a stream in Illinois demonstrates its capacity to become a noxious weed if it is introduced elsewhere.[1] This is a perennial herb growing to a maximum height near 1.5 meters. The leaves have blades up to 30 centimeters long borne on petioles up to 35 centimeters in length. The parsley-like leaf blade is divided into serrated, lobed leaflets. The inflorescence is a compound umbel of many flowers with bright white to red-tinged petals.
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