Symphyotrichum puniceum (L.) A. & D.Löve var. puniceum11 of 33
October 2, Arnold Arboretum, Jamaica Plain, Boston
bristly aster, swamp aster
Bristly aster is a large coarse plant that can grow to more than
2 meters. Prefers moist habitats, grows abundantly along Bussey Brook in the
Arnold Arboretum.