Itea virginica
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Itea virginica, commonly known as Virginia willow or Virginia sweetspire, is a small North American flowering shrub that grows in low-lying woods and wetland margins. Virginia willow is a member of the Iteaceae family, and native to the southeast United States.[3] Itea virginica has small flowers on pendulous racemes.[4]
Depending on location, the species will bloom in late spring to early summer. It prefers moist rich soil, but it can tolerate a wide range of soil types. When Virginia willow is used in horticulture it can form large colonies and may form dense root suckers, making the shrub hard to remove.
Description
Itea virginica is a deciduous shrub that grows to 2.5 m (8.2 ft) tall and 1.5 m (4.9 ft) broad, with alternate, simple leaves on arching stems. The plant's white or cream flowers bloom in summer, borne in downward-pointing, slightly curved spikes. It is a multi-stemmed, suckering and colonizing plant, with the stems branching infrequently except at the tops. In favorable conditions it may become semi-evergreen. The leaves turn shades of red in fall (autumn). It is hardy down to at least −29 °C (−20 °F).[5]
Distribution and habitat
I. virginica's range extends from New Jersey south to Florida, and westward to Texas and Oklahoma.[6]
This species' has been observed in shaded and wet areas, such as swamps, wooded floodplains, pine forests, and hydric hammocks.[7]
Conservation
Itea virginica is listed as "apparently secure" overall by NatureServe, and critically imperiled in Pennsylvania, Indiana and Oklahoma.[2]
Taxonomy
Itea virginica belongs to the Iteaceae, a family of deciduous and evergreen shrubs.[8] It is the only species in its genus in North America; most Itea species are from east Asia. Some authors have historically placed Virginia sweetspire in the Grossulariaceae or Saxifragaceae families.[9]
Horticulture
In cultivation in the UK the cultivar 'Henry's Garnet' has gained the Royal Horticultural Society's Award of Garden Merit.[10][11] Itea virginica is used as a native ornamental landscape plant in North America, and numerous cultivars have been named.[12] The flowers attract pollinators, and the shrub can be used for erosion control.[13]
References
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- ^ Page Module:Citation/CS1/styles.css has no content."Home | North Carolina Extension Gardener Plant Toolbox". plants.ces.ncsu.edu. Retrieved 2020-11-25.
- ^ Page Module:Citation/CS1/styles.css has no content."Itea virginica 'Henry's Garnet' - Plant Finder". www.missouribotanicalgarden.org. Retrieved 2020-12-01.
- ^ Page Module:Citation/CS1/styles.css has no content.Brickell, Christopher, ed. (2008). The Royal Horticultural Society A-Z Encyclopedia of Garden Plants. United Kingdom: Dorling Kindersley. p. 582. ISBN 9781405332965.
- ^ Weakley, A.S. 2020. Flora of the Southeastern United States. Edition of 20 October 2020. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
- ^ Florida State University Herbarium Database. URL: [1]. Last accessed: June 2021. Collectors: Loran C. Anderson, Kathleen Craddock Burks, Richard Carter, Robert K. Godfrey, R. Komarek, K. M. Meyer, and A. Townesmith. States and counties: Florida: Gadsden, Jefferson, Leon, Marion, and Taylor. Georgia: Thomas.
- ^ Page Module:Citation/CS1/styles.css has no content."Plants Profile for Itea virginica (Virginia sweetspire)". plants.usda.gov. Retrieved 2020-12-03.
- ^ Page Module:Citation/CS1/styles.css has no content.Radford, Albert E. (1968). Manual of the vascular flora of the Carolinas. Ahles, Harry E., Bell, C. Ritchie. Chapel Hill: University of North Carolina Press. ISBN 0-8078-1087-8. OCLC 355003.
- ^ Page Module:Citation/CS1/styles.css has no content."RHS Plantfinder - Itea virginica 'Henry's Garnet'". Retrieved 13 March 2018.
- ^ Page Module:Citation/CS1/styles.css has no content."AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 56. Retrieved 14 March 2018.
- ^ Page Module:Citation/CS1/styles.css has no content."Virginia Sweetspire". Home & Garden Information Center. Clemson University. December 17, 2019. Retrieved 2020-12-06.
- ^ Page Module:Citation/CS1/styles.css has no content."Home & Garden Information Center". hgic.clemson.edu. Clemson University. Retrieved 2020-12-03.
External links
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- Proven Winners [2]
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