Plum pox show no symptoms on leaves or fruit. Not all infection in "Prunus" are characterized by a ring symptom on leaves. Several cultivars show yellowing line patterns and blotches, or necrotic ring symptoms on expanded leaves. Leaf distortion has also been observed. Infected fruit can develop yellow rings or blotches, or brown rings, and some plum and apricot fruit can be severely deformed and bumpy. The seed of many infected apricots and some plums show rings. Many non-"Prunus" species, in at least nine plant families, have been infected artificially with one or more strains of the plum pox virus, and in
Armenian cucumber Armenian cucumber The Armenian cucumber, Cucumis melo" var. "flexuosus, is a type of long, slender fruit which tastes like a cucumber and looks somewhat like a cucumber inside. It is actually a variety of muskmelon ("C. melo"), a species closely related to the cucumber ("C. sativus"). It is also known as the yard-long cucumber, snake cucumber, snake melon, and "uri" in Japan. It should not be confused with the snake gourds ("Trichosanthes" spp.). The skin is very thin, light green, and bumpless. It has no bitterness and the fruit is almost always used without peeling. It is also sometimes called