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Harperella (Ptilimnium nodosum) is a carrot family plant that occurs in rocky riverbeds in the eastern U.S. Learn about its characteristics, geography, threats, and conservation status from the FWS website.
Ptilimnium nodosum, also known as harperella, is a threatened plant species native to the southeastern United States. It grows in rocky stream habitats and is threatened by dams, siltation, acidification, and drainage.
Harperella is a monotypic genus of flowering plants in the family Apiaceae. Its only species is Harperella nodosa (synonym Ptilimnium nodosum), [6] known as piedmont mock bishopweed [8] and harperella.
Apr 14, 2015 · Harperella is a rare and endangered perennial herb that grows in the rocky swift waters of Little River. It has hollow, quill-like leaves, white flowers and seeds that germinate in the crevices of the rocks.
U.S.FWS Species profile about species listing status, federal register publications, recovery, critical habitat, conservation planning, petitions, and life history.
Ptilimnium nodosum (synonym=Harperella nodosa), common names piedmont mock bishopweed and harperella, is a plant native to riparian environments in the Southeastern United States, found at sites in West Virginia, Maryland, several Southeastern states such as Alabama and North Carolina, and the Ouachita National Forest in Arkansas and Oklahoma.
Harperella is an annual plant with a slender, smooth stem and hollow, quill-like leaves. Its flowers are similar in appearance to those of the common road-side plant, Queen Anne's lace. They are small, white, and delicate and are arranged in clusters called umbels. This plant flowers in May and June.
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