Amaryllidaceae
Roundheaded leek
Allium sphaerocephalon
- Family
- Amaryllidaceae
- Genus
- Allium
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Common names
By language (25)
- Arabic
- ثوم كروي الرأس
- arz
- ثوم كروى الراس
- Azerbaijani
- Yumrubaş soğan
- Bulgarian
- Кръглоглав лук
- Chinese
- 圆头大花葱, 圓頭大花蔥
- Czech
- Česnek kulatohlavý
- Danish
- Rundhoved-Løg
- Dutch
- Kogellook
- English
- Roundheaded leek, Ball-head onion, Bristol onion, Drumstick allium, Round-headed garlic, Round-headed leek
- Finnish
- Pallerolaukka
- French
- Ail à tête ronde, Ail a tete ronde
- German
- Kugelköpfiger Lauch, Kugel-Lauch
- hsb
- Hłójčkaty kobołk
- Hungarian
- Bunkós hagyma
- Icelandic
- Kúlulaukur
- Macedonian
- Тркалезноглавест лук
- Persian
- سیر سرگرد
- Polish
- Czosnek główkowaty
- Russian
- Лук шароголовый, Лук круглоголовый
- Slovenian
- Oblasti luk
- Spanish
- Ajo de cigüeña, Ajestrin, Ajestrino, Ajestrín, Ajo de cabeza redonda, Ajo de monte, Ajo loco, Ajo montesino
- Swedish
- Klotlök
- Turkish
- Yılan sarmısağı
- Ukrainian
- Цибуля круглоголова, Часник круглоголовий
- Welsh
- Cenhinen bengron
Synonyms
- Allium arvense subsp. aestivum (Tineo) Nyman
- Allium arvense var. tenuiflorum Nyman
- Allium atroviolaceum Hornem. ex Steud.
- Allium cornutum Kit.
- Allium lineare Ten.
- Allium margaritaceum var. robustum Maire
- Allium parviflorum Desv.
- Allium purpureum Loscos
- Allium rotundum var. bosniacum (Kumm. & Sendtn.) Nyman
- Allium sardoum var. gherardii (De Not.) Nyman
- Allium sphaerocephalon subsp. descendens (L.) K.Richt.
- Allium sphaerocephalon var. approximatum (Gren. & Gord.) Nyman
- Allium sphaerocephalon var. bosniacum (Kumm. & Sendtn.) Asch. & Graebn.
- Allium sphaerocephalon var. crinitum (Tausch) Nyman
- Allium sphaerocephalon var. descendens (L.) Regel
- Allium sphaerocephalon var. purpureum Nyman
- Allium tenuiflorum Delastre
- Allium veronense Spreng.
- Porrum sphaerocephalum Rchb.
- Porrum sphaerocephaluon (L.) Rchb.
Flowers
- In flower
- June to July (from 928 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: introduced
Photos
FlowerPhoto: Marios Thoma, CC BY 4.0, from iNaturalist 
FlowerPhoto: Denis Otkydach, CC BY 4.0, from iNaturalist 
FlowerPhoto: Ametsak, CC0, from iNaturalist 
FlowerPhoto: Celestino Quintela Sabarís, CC BY 4.0, from iNaturalist 
FlowerPhoto: Marios Thoma, CC BY 4.0, from iNaturalist 
Photo: Raimundo Pastor, CC BY-SA 4.0, from Wikimedia Commons 
Photo: zebedeugalinha, CC BY 4.0, from iNaturalist 
Photo: Photograph by Mike Peel, CC BY-SA 4.0, from Wikimedia Commons 
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons 
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Oleksandr Shynder, CC BY 4.0, from iNaturalist 
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons
More in Allium
- ChivesAllium schoenoprasumAmaryllidaceae
- OnionAllium cepaAmaryllidaceae
- GarlicAllium sativumAmaryllidaceae
- RamsonsAllium ursinumAmaryllidaceae
- ShallotAllium ascalonicumAmaryllidaceae
- Welsh onionAllium fistulosumAmaryllidaceae
- Broadleaf wild leekAllium ampeloprasumAmaryllidaceae
- Chinese chivesAllium tuberosumAmaryllidaceae
- Wild garlicAllium vinealeAmaryllidaceae
- Sand leekAllium scorodoprasumAmaryllidaceae
- RakkyoAllium chinenseAmaryllidaceae
- Field garlicAllium oleraceumAmaryllidaceae
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.