Ranunculaceae

Monkshood

Aconitum lycoctonum L.

Family: Ranunculaceae
Genus: Aconitum

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Monkshood (Aconitum lycoctonum) — FlowerPhoto: Elias, CC BY 4.0, from iNaturalist

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Common names

By language (25)

Arabic: أكونيت قاتل
arz: اكونيت قاتل
azb: قوردبوغان کپنکچیچک
Azerbaijani: Qurdboğan kəpənəkçiçək
Belarusian: Боцікі звычайныя, Боцікі высокія, Боцікі паўночныя, Ваўкабойнік
Bulgarian: Северна самакитка
Chinese: 北方狼毒草, 狼毒乌头
Croatian: Oštrobridi jedić
Czech: Oměj vlčí mor
English: Monkshood
Estonian: Kollane käoking
Finnish: Lehtoukonhattu, Hukanukonhattu
German: Wolfs-Eisenhut, Gelber Eisenhut
hsb: Žołte črijki, Wjelkimór
Icelandic: Týshjálmur
Italian: Aconito di Lamarck, Aconito vulparia
Kazakh: Bärpi, Бәрпі, ٴبارپى
Polish: Tojad lisi
Russian: Борец северный, Аконит северный, Борец волчий, Борец высокий, Борец обыкновенный, Волчьи лапы, Кукушкины сапожки, Семилапка
Slovak: Prilbica žltá
Slovenian: Ozkočeladasta preobjeda
Swedish: Alpstormhatt
Tatar: Биек аю көпшәсе, Биек аю табаны
Ukrainian: Тоя вовкобійна, Аконіт Бессера
Welsh: Cwcwll-y-mynach melyn

Synonyms

Aconitum aegophonum Rchb.
Aconitum alienum Rchb.
Aconitum altissimum Mill.
Aconitum altissimum subsp. penninum (Ser.) Holub
Aconitum arctophonum Rchb.
Aconitum australe Rchb.
Aconitum boreale Ser. ex Rchb.
Aconitum cynoctonum Rchb.
Aconitum dissectum Tausch ex Rchb.
Aconitum excelsum Turcz.
Aconitum galectonum Rchb.
Aconitum galeriflorum Stokes
Aconitum intermedium Host
Aconitum jacquinianum Host
Aconitum lagoctonum Rchb.
Aconitum luparia Rchb.
Aconitum lupicida Rchb.
Aconitum lycoctonum subsp. lycoctonum
Aconitum lycoctonum var. myoctonum (Rchb.) Regel
Aconitum lycoctonum var. septentrionale Regel
Aconitum meloctonum Rchb.
Aconitum monanense Schmidt ex Rchb.
Aconitum myoctonum Rchb.
Aconitum ochroleucum hort. ex Steud.
Aconitum perniciosum Rchb.
Aconitum phthora Rchb.
Aconitum pyrenaicum L.
Aconitum rectum Bernh. ex Rchb.
Aconitum rogoviczii Wissjul.
Aconitum squarrosum L. ex B.D.Jacks.
Aconitum strictissimum Rchb.
Aconitum tenuisectum Schur
Aconitum thelyphonum Rchb.
Aconitum theriophonum Rchb.
Aconitum toxicarium Salisb.
Aconitum transilvanicum Lerch. ex Schur
Aconitum umbraticola Schur
Aconitum vulparia f. galactonum Rchb. ex Gáyer
Aconitum vulparia f. hirtisepalum Gáyer
Aconitum vulparia f. umbraticolum (Schur) Gáyer

and 6 more.

Flowers

In flower: June to August (from 688 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Canada: introduced

Photos

FlowerPhoto: Elias, CC BY 4.0, from iNaturalist
FlowerPhoto: Irene Saltini, CC0, from iNaturalist
FlowerPhoto: Michael Andresek, CC BY 4.0, from iNaturalist
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons
Photo: Tania Walisch, CC BY 4.0, from iNaturalist
Photo: Teun Spaans, CC BY 2.5, from Wikimedia Commons
Photo: Stephan Wolf, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Saskia, CC BY 4.0, from iNaturalist
Photo: Antti Bilund, CC BY-SA 3.0, from Wikimedia Commons
Photo: Crucians, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Franco Folini, CC BY 4.0, from iNaturalist
Photo: Antti Bilund, CC BY-SA 3.0, from Wikimedia Commons

More in Aconitum

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.