Symphyotrichum puniceum (L.) A.Löve & D.Löve var. puniceum
bristly aster, swamp aster, purple-stemmed ater
bristly aster, swamp aster, purple-stemmed ater
October 2,
Arnold Arboretum, Jamaica Plain, Boston
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.