The following information was taken from Wikipedia:

American Wisteria (Liliaceae) is a family of flowering evergreen shrubs native to North America. They are among the most common and widespread of all conifers, growing in almost any type of soil and at various elevations throughout the continent.

Wisterias have been cultivated since ancient times; they were used in folk medicine for their supposed medicinal properties.[1] The genus Liliaceae includes over 200 species of which only two, the wisteria and the linden, are commercially grown for commercial purposes. However, many other species have been used medicinally or ornamental. The leaves of these plants contain compounds called terpenes that produce aromatic oils that give them their characteristic aroma and flavor.

The flowers of wisterias are edible, but not particularly valued.

The plant genus Liliaceae is composed primarily of annuals and perennials with some herbs and grasses. Most species occur in temperate regions, though several species occur in tropical areas such as Mexico and Brazil. There are approximately 500 known species worldwide. The plants are generally herbaceous, though a handful are small shrubs.

Most species do not grow in colder regions.

The best known member of the family is the genus Wisteria, native to China and Taiwan. It is very common in its native range and is also cultivated outside of it. It is notable for its long clusters of flowers and for its interesting seedpods, which can be very long (often as long as the entire vine) and also very flexible. Some other well-known members of the family are the purple loosestrife (Lythrum salicaria) of Europe and North America, the Yellow Water-lily (Nuphar lutea) of eastern North America and Western and Central Europe, and Spiked Water-Lily (Nymphaea thermarum), also native to North America.

The North American genus Decodon, not widely cultivated, has showy flowers and unusual deciduous leaves. It is sometimes grown as a curiosity, but is not of great ornamental value otherwise due to its rather weedy nature and tendency to produce thousands of seeds.

Uses

Habitat

American Wisteria Care: How To Grow American Wisteria Plants from our website

Due to its wide range of growth, the wisteria plant inhabits many different types of locations. In its natural environment, it grows on trees and rocks and can survive in a variety of different soil types. The vine requires at least five hours of sunlight each day, though it prefers hot and humid weather. It does not grow well in cold conditions.

The species is primarily found in the United States, Mexico, Central America, and South America. In these areas, it thrives in the southern portion of the continents. A few species are also found in the subtropical island nations of Taiwan, Okinawa, and the Philippines.

Clinical Trials

The species has not been the subject of any controlled clinical trials as a treatment for any condition.

Side Effects

Due to its powerful nature, wisteria can cause side effects when taken or administered in high quantities or for extended periods of time.

One of the most common side effects of wisteria is a prolonged and painful erection. This condition, known as priapism, arises when the drug prevents the flow of blood from the erectile tissue in the genitals. This can cause permanent damage to the tissues and nerves of the organ. A persistent and very painful erection lasting over four hours requires immediate medical attention to prevent permanent damage to the organ.

Sources & references used in this article:

Wisteria frutescens, American Wisteria,’Betty Matthews’ First Editions® Summer Cascade™ by SC Hokanson, S McNamara, K Zuzek, M Zins… – …, 2015 – journals.ashs.org

Water-Wisteria as an ideal plant to study heterophylly in higher aquatic plants by G Li, S Hu, J Yang, EA Schultz, K Clarke, H Hou – Plant Cell Reports, 2017 – Springer

Diverse rhizobia associated with woody legumes Wisteria sinensis, Cercis racemosa and Amorpha fruticosa grown in the temperate zone of China by J Liu, ET Wang, WX Chen – Systematic and applied microbiology, 2005 – Elsevier

First Report of Wisteria vein mosaic virus in Wisteria sinensis in the United States of America by RA Naidu, G Karthikeyan – Plant Health Progress, 2008 – Am Phytopath Society

Non-native wisteria control with herbicides by JH Miller – Wildland Weeds: 19-21, 2006 – fs.usda.gov

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