Apium virus Y sea celery ("Apium prostratum"), cilantro ("Coriandrum sativum"), and bishop’s weed ("Ammi majus"). In Germany it has recently been found naturally infecting celeriac or celery root. All are members of the plant family "Apiaceae". Symptoms reported included mosaic, vein clearing or banding, necrotic/chlorotic line patterns and stunting. Some samples of parsley, celery and poison hemlock, that gave positive results in tests, however, were asymptomatic. In host range studies, the virus causes local lesions on "Chenopodium quinoa" and "C. amaraticolor" ("Amaranthaceae"). Apium virus Y "Apium virus Y" (ApVY) is a plant pathogenic virus in the genus "Potyvirus" and the virus family "Potyviridae".
Celery known as "celery root"), "Apium graveolens" var. "rapaceum", grown because its hypocotyl forms a large bulb, white on the inside. The bulb can be kept for months in winter and mostly serves as a main ingredient in soup. It can also be ground up and used in salads. The leaves are used as seasoning; the small, fibrous stalks find only marginal use. Leaf celery (Chinese celery, "Apium graveolens var. secalinum") is a cultivar from East Asia that grows in marshlands. Leaf celery is most likely the oldest cultivated form of celery. Leaf celery has characteristically thin skin stalks and a