Black Jetbead Rhodotypos Scandens

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Weed of the Week Black Jetbead Rhodotypos scandens Native Origin: Black jetbead is a native of Central China, Korea and Japan. It was introduced into the United States in 1866 as an ornamental. Description: Black jetbead is a multi-stemmed deciduous shrub in the rose family (Rosaceae), maturing to a height of 5 feet and width of 7 feet. The bright green leaves are opposite, simple and doubly serrate with a rough leaf surface 2 to 4 inches long and 1 to 2 inches wide. White flowers with four-petals occur in small terminal clusters. The spring flowers give way to small black bead-like fruit in groups of four. It spreads by seed and by vegetative means. Habitat: This species can grow in full sun to full shade but prefers full sun with moist, well-drained soils. It is adaptable to poor soils, various soil pH, soil compaction, shady spots, drought, shearing, heavy pruning, and urban tolerances such as pollution and salt tolerance. Distribution: This species is reported from states shaded on Plants Database map. It is reported invasive in DE, IL, MA, MI, NY, PA, VA, and WI. Ecological Impacts: Black jetbead invades forested areas, creating a thick shrub layer which could displace native shrubs, shade out understory species and restrict tree seedling establishment. Found in at least 17 states east of the Mississippi, it is invasive in natural habitats away from intentional plantings. Control and Management: • Manual- Small plants may be removed by hand digging. Remove the entire root system. For larger infestations, cut shrubs to the ground in the fall or winter. • Chemical- It can be effectively controlled using any of several readily available general use herbicides such as glyphosate. Apply in spring. Follow label and state requirements. References: www.invasive.org, http://plants.usda.gov, www.hort.uconn.edu/plants/r/rhosca/rhosca1.html, www.hcs.ohio-state.edu/hcs/TMI/Plantlist/rh_ndens.html Plant Invaders of the Mid-Atlantic Natural Areas, NPS, p. 49 Produced by the USDA Forest Service, Forest Health Staff, Newtown Square, PA. WOW 05-30-05 Invasive Plants website: http://www.na.fs.fed.us/fhp/invasive_plants .

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Rhodotypos Scandens Common Name: Black Jetbead Family Name
Plant Profiles: HORT 2241 Landscape Plants I Botanical Name: Rhodotypos scandens Common Name: black jetbead Family Name: Rosaceae –rose family General Description: Rhodotypos scandens is a tough, adaptable flowering shrub. It has white flowers in late spring, handsome leaves during the summer and fall, and interesting small black fruits that hold on during the winter. It does well in sun or dense shade and is tolerant of a wide variety of landscape conditions. Rhodotypos scandens was introduced from Asia for use as an ornamental plant but has become an invasive species in eastern United States. Though not a widespread problem in this area, it has been documented in natural areas in DuPage, Cook and a few other areas on the Chicago area. Zone: 4-8 Resources Consulted: Dirr, Michael A. Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture, Propagation and Uses. Champaign: Stipes, 2009. Print. "The PLANTS Database." USDA, NRCS. National Plant Data Team, Greensboro, NC 27401-4901 USA, 2014. Web. 23 Mar. 2014. Swink, Floyd, and Gerould Wilhelm. Plants of the Chicago Region. Indianapolis: Indiana Academy of Science, 1994. Print. Creator: Julia Fitzpatrick-Cooper, Professor, College of DuPage Creation Date: 2014 Keywords/Tags: Rhodotypos scandens, deciduous, flowering shrub, shrub Whole plant/Habit: Description: Rhodotypos scandens has an upright, arching habit that resembles a Japanese kerria (Kerria japonica) on steroids! The loose arching stems grow 3-6 foot tall and 6-9 foot wide. Image Source: Karren Wcisel, TreeTopics.com Image Date: May 6, 2005 Image File Name: jetbead_0529.png Flower: Description: The four-petaled white flowers bloom mid-spring to early summer.
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