Siebold’s arrowwood [Viburnum sieboldii Miq.] VISI

Fig. 1 Webb R. 2010

Problem: A native shrub of Japan, V. sieboldii has been planted as an ornamental shrub for its flowering effect and screening capability.1 Habit: A deciduous large shrub or small tree with open growth and stiff branches, from 4.5 -6m tall and 3-2.4m wide.1 Leaves: Opposite, simple, elliptic leaves 2-12cm long, leaves have serrated leaf margins, dark green color with pubescent leaf veins and petioles (Fig. 1,2). Crushed leaves emit foul odor. Leaves do not turn a showy color in autumn.1 Stems: Stout with gray, alligator-like bark, prominent len- ticles and leaf scar surrounding entire stem (Fig 3.)1

Fig. 2 Brand, M. 2001 Fig. 3 Brand, M. 2001 PLANTTREE Siebold’s arrowwood [Viburnum sieboldii Miq.] VISI

Fig. 4 Johnny 2007 Flowers: Off-white flowers in flat-topped cymes blooming in late May, 7-15cm across, very showy, covering most of the plant (Fig. 4).1 Fruits/Seeds: Oval drupes in clusters, red maturing to black, ripening in September (Fig. 5).1 Habitat: Prefers full sun to partial shade and moist, well drained soils. Similar Species: Viburnum prunifolium has smooth, hair- less leaves, while Viburnum lentago has winged petioles. Viburnum sieboldii has deeper veins with pubescent hairs on leaf undersides.2

Fig. 5 Brand, M. 2001 Siebold’s arrowwood [Viburnum sieboldii Miq.] Text Citations: 1. Brand, Mark H. 2010. University of Connecticut, Plant Database of Trees, Shrubs and Vines. http://www.hort. uconn.edu/plants/v/vibsie/vibsie1.html 2. Graves, Arthur H. 1984. Illustrated guide to trees and shrubs: a handbook of the woody plants of the northeastern United states and adjacent Canada. (pg. 233-235) Rev. ed. New York: Harper

Photograph Information:

Figure 1 (Photographer: R. Webb, Horticulturalist.) Figures 2, 3 and 5 (Photographer: Mark H. Brand, UConn Plant Database, University of Connecticut.) Figure 4 (photographer: SB Johnny) Figures 1 and 4 reproduced from www.bugwood.org R.A. Howard. ©Smithsonian Institution. Courtesy of Smithsonian Institution, Richard A. Howard Photograph Collection. United States, MA, Boston, Arnold Arbore- tum. Usage Requirements. Any use of copyrighted images requires notification of the copyright holder.