Emaravirus Emaravirus Emaravirus is a genus of plant viruses. The genus has more than six species, including: "European mountain ash ringspot-associated virus" (type species), "Fig mosaic virus", "Pigeonpea sterility mosaic virus", "Raspberry leaf blotch virus", "Rose rosette virus" and Maize red stripe virus. "European mountain ash ringspot-associated virus" is associated with a leaf mottling and ringspot disease of European mountain ash "Sorbus aucuparia". It can be transmitted by grafting and possibly mites. The virion particle is between 80-100 nm and consists of an enveloped ribonucleocapsid that exhibits helical symmetry. The genomes are segmented, consisting of four strands of negative-sense single-stranded RNA.
Sorbus randaiensis change of leaves to red and rubine fruits in October. The fruits are with juicy texture and sweetness, tasting delicious. Sorbus randaiensis Sorbus randaiensis is a deciduous tree of family Rosaceae. It is an endemic species in Taiwan and can be found in the mountain areas of middle Taiwan, with altitude 1,800m to 3,200m, mostly spotted in the forest of Xueshan, Hehuan Mountain, , and Nenggao Mountain. It is a tree 3–8 m tall with white flowers and reddish fruit. Koidz., The Journal of the College of Science, Imperial University of Tokyo, Japan 34(2): 52. 1913. (J. Coll. Sci. Univ.