Apiaceae

Fool's parsley

Aethusa cynapium L.

Family: Apiaceae
Genus: Aethusa

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Fool's parsley (Aethusa cynapium) — FlowerPhoto: CaracalShan, CC BY 4.0, from iNaturalist

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Common names

By language (17)

Arabic: بقدونس كاذب
Asturian: Perexil de bruxes
Catalan: Etusa
Croatian: Etuza, Mala kukuta
Czech: Tetlucha kozí pysk
Dutch: Hondspeterselie
English: Fool's parsley, Fools parsley
Finnish: Hukanputki
French: Petite ciguë, Ache des chiens, Petite cigue, Petite cigüe
German: Hundspetersilie, Gartengleiße, Kleiner Schierling
Lithuanian: Šunpetrė
Russian: Cicuta cynapium, Cicuta minor, Coriandrum cynapium, Selinum cynapium, Sium cynapium, Зноиха, Собачья петрушка
Slovenian: Navadni steničjak
Spanish: Apio de perro, Cicuta cynapium, Cicuta de olor de apio, Cicuta minor, Coriandrum cynapium, Perejil bastardo, Perejil traidor, Selinum cynapium
stq: Giftpetersilie
Swedish: Liten vildpersilja, Smal vildpersilja, Stor vildpersilja, Trädgårdsvildpersilja
Tatar: Эт петрушкасы

Synonyms

Aethusa elata j.Friedl. ex Fisch.

Flowers

In flower: July to August (from 226 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb
Lifespan: Annual
In the US and Canada: Canada: introduced, Lower 48 states: introduced, St. Pierre and Miquelon: introduced

Photos

FlowerPhoto: CaracalShan, CC BY 4.0, from iNaturalist
FlowerPhoto: Виктория Билоус, CC BY 4.0, from iNaturalist
FlowerPhoto: pete_gateley, CC0, from iNaturalist
FlowerPhoto: SK53, CC BY-SA 4.0, from iNaturalist
Photo: Zihao Wang, CC BY 4.0, from iNaturalist
Photo: Krzysztof Ziarnek, CC BY-SA 3.0, from Wikimedia Commons
Photo: Darrel Watts, CC0, from iNaturalist
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons
Photo: Zihao Wang, CC BY 4.0, from iNaturalist
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons
Photo: Gilles San Martin, CC BY-SA 4.0, from iNaturalist
Photo: SKas, CC BY-SA 4.0, from Wikimedia Commons

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.