Oenanthe javanica Oenanthe javanica Oenanthe javanica, commonly Java waterdropwort, Chinese celery, Indian pennywort, Japanese parsley, water celery and water dropwort, is a plant of the water dropwort genus originating from East Asia. (Chinese celery is also the name given to "Apium graveolens" var. "secalinum"). It has a widespread native distribution in temperate Asia and tropical Asia, and is also native to Queensland, Australia. This plant should not be confused with the plants of the genus "Cryptotaenia", sometimes called "Japanese wild parsley" ("mitsuba" in Japanese). "O. javanica" is a perennial herb that grows to about 1 m in height, with fibrous roots that
Celery mosaic virus Celery mosaic virus Celery mosaic virus (CeMV) is a plant pathogenic virus in the genus" Potyvirus " and the virus family " Potyviridae ". In California (USA), mosaic diseases of celery ("Apium graveolens") were reported as early as 1922. After some time, it became clear that there were at least two different viruses causing mosaic diseases with similar symptoms in celery. These two viruses were first differentiated by host range. One of the viruses had a wide host range and was named "Southern celery mosaic". The second had a host range restricted to the family Umbelliferae (Apiaceae) and was called