(1) Behind him, the virescent beast crouched as if about to leap again, bellowing defiance and raising clenched fists that were as big as hams.(2) Vinca virescence is a phytoplasma that causes symptoms of virescence, phyllody and witches’ broom.(3) Proliferation of shoots was observed in one of the samples of periwinkle and, virescence was showed by the other one.(4) Using the virescently marked male-sterile line 81 A, Feng (1990) carried out a trial production of hybrid seeds in Zu County in Hebei Province, China