A familiar genus in cultivation, especially in hedges, the principal taxon being a variety of S. albus. The white fruits in the fall make this species attractive to human eyes and to hungry birds and mammals. Even mature first-year stems can show the distinctly hollow pith characteristic of our common species.
1. Corolla ca. 3–4 mm long; fruit red to purple; pith usually ± uniform (dense or loose but continuous or even absent); flowers in dense axillary clusters of 6–12 or more per node).
1. Corolla ca. (4.5–) 5–9 mm long; fruit white; pith of twigs hollow between the nodes; flowers various.
2. Stamens and style included in the corolla; anthers ca. 1–1.5 mm long; corolla ca. (4.5–) 5–6 (–6.5) mm long; flowers when axillary 1 (–3) per axil (more when terminal as the case sometimes in var. laevigatus).
2. Stamens and style exserted at maturity; anthers 1.7–2.4 mm long; corolla ca. (5–) 6–9 (–11) mm long; flowers mostly 6 or more in axillary (and terminal) spikes.
All species found in Symphoricarpos
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 13, 2017. http://www.michiganflora.net/genus.aspx?id=Symphoricarpos.