A variant spelling is "Sumach". Callus is the third studio album by Gonjasufi (Sumach Ecks). A co-linear street, named Sumach St., continues north. A Sufi and a Killer is the debut studio album by Gonjasufi (Sumach Ecks). The reserve also has three small ponds and a stand of stag's-horn sumach. The rails are in a right-of-way along the eastern side of Cherry and Sumach streets. Her latest novel is "The Exclusion Principle" (Sumach Press, 2009). A small isolated section of Eastern Avenue runs from Sumach Street to Lawren Harris Square. A post office called Sumach was established in 1878, and remained in operation until 1907. Yellow larkspur (perhaps identical with the "isparek" plant), or Dyer's sumach Cotinus coggygria.