2. Lateral branch description.âBranch angle of about 45° with a range of 40-48°. A new and distinct cultivar of Dogwood tree, Dogwood tree named âKaren's Appalachian Blushâ, Application filed by University of Tennessee Research Foundation, University of Tennessee Research Foundation, Assigned to TENNESSEE UNIVERSITY RESEARCH CORPORATION OF, THE, TENNESSEE UNIVERSITY RESEARCH CORPORATION OF, THE. Durham, NC 27713, Deciduous tree with showy white blooms that have a pink blush along the bracts. 1997 Development of Flo ing Dogwood Cultivars Resistant to Powdery Mildew, Naturally Occuring Resistance to Powdery Mildew in Seedlings of Cornus florida, New Dogwood Cultivars Resistant to Powdery Mildew. Measurements are provided as a range with the middle value providing the average (lower limit