IUCN threat status:

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Chinese and Japanese wisteria species, Wisteria sinesis and Wisteria floribunda, were imported to the US in the early 1800’s as ornamentals are continuing to invade native habitats (Miller, 2006: 19). Fruits of Wisteria frutescens seeds lack trichomes as compared to the velvety fruits of W. sinensis and W. floribunda (Wang, 2006: 1064). From collections in Tallahassee, Florida, and Charleston, South Carolina, 81.9% of the collections were hybrids of W. sinensis and W. floribunda (Trusty et al., 2007: 379).

Wisteria frutescens produces nectar which is a benefit for pollinators such as carpenter bees Xylocopa spp. in North America (Hill, 1998: 134).

The bright yellow larvae of the silver-spotted skipper Epargyreus clarus feed on the leaves of W. frutescens (Hall, 2011: 3).


Hall, D. W. 2008. Silver-Spotted skipper; Epargyreus clarus (Cramer). EENY-439: 1-5 University of North Florida IFAS Extension, available at: http://edis.ifas.ufl.edu/pdffiles/IN/IN77400.pdf; accessed on Nov 7, 2012.

Hill, D. 2011. Pollination and honey production in the forest and agro forest. North American Conference On Enterprise Development Through Agroforestry: Farming the Agroforest for Specialty Products (Minneapolis, MN, October 4-7, 1998): 133-138, available at: http://www.nfs.unl.edu/documents/SpecialtyForest/Hill.pdf; accessed on Oct 17, 2012.

Miller, J. H. 2006. Non-native Wisteria Control With Herbicides. Wildland Weeds Winter: 19-21, available at: http://www.se-eppc.org/wildlandweeds/pdf/Winter2006-Miller-pp19-21.pdf; accessed on: Oct 16, 2012.

Trusty, J. L., Goertsen, L.R., Zipper, W.C. & Lockaby, B.G. 2007. Invasive Wisteria in the Southeastern United States: Genetic diversity, hybridization and the role of urban centers. Urban Ecosystem 10: 379-395, available at: http://www.springerlink.com/content/35827167q5310273/; accessed on: Oct 10, 2012.

Wang, Q., Dilcher, D. L., Xiang-Yun, Z., Yi-Long, Z. & Lotty, T. A. 2006. Fruits and Leaflets of Wisteria (Leguminosae, Papilionoideae) From the Miocene of Shandong Province, Eastern China. International Journal of Plant Science 167:1061–1074, available at: http://www.flmnh.ufl.edu/paleobotany/dldpdfs/2006wangdilcherzhuwisteria.pdf; accessed on Nov 7, 2012.


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Source: Jacksonville University BIOL204 Botany


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