ˌashə(r)ˈsōnyə noun
Usage: capitalized
Etymology: New Latin, from Paul F.A. Ascherson died 1913 German botanist + New Latin -ia
: a genus of imperfect fungi (family Phyllostictaceae) parasitic on whiteflies and soft scales and characterized by development of characteristic often highly colored stromata in which conidia and occasionally later ascospores of the perfect stage are produced