Fabaceae
Tuberous sweetpea
Lathyrus tuberosus
- Family
- Fabaceae
- Genus
- Lathyrus
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Common names
By language (33)
- Armenian
- Տափոլոռ պալարակիր
- arz
- لاثيروس توبيروس
- Belarusian
- Чына клубневая
- Bulgarian
- Грудково секирче, Грудков грах
- Catalan
- Guixera borda, Guixó tuberós
- Chinese
- 玫紅山黧豆, 玫红山黧豆, 五脉山黧豆
- cv
- Паранкăллă тăрна пăрçи
- Czech
- Hrachor hlíznatý
- Dutch
- Aardaker
- English
- Tuberous sweetpea, Tuberous pea, Macjonc, Tuberous vetchling
- Esperanto
- Tubera latiro
- Estonian
- Seapähkel
- Finnish
- Mukulanätkelmä
- French
- Gesse tubéreuse, Gesse tubereuse, Macjonc
- Georgian
- Თერო
- German
- Knollen-Platterbse, Knollige Platterbse, Knollenplatterbse
- hsb
- Pólny hróšik
- Hungarian
- Mogyorós lednek, Gumós lednek
- Icelandic
- Hnúðertur
- Japanese
- キュウコンエンドウ
- Kyrgyz
- Чымылдык
- Latvian
- Bumbuļu dedestiņa
- Norwegian Bokmål
- Jordflatbelg
- os
- Теро
- Persian
- خلر غدهدار
- Polish
- Groszek bulwiasty
- Romanian
- Oreșniță
- Russian
- Чина клубненосная
- Slovak
- Hrachor hľuznatý
- Slovenian
- Gomoljasti grahor
- Swedish
- Knölvial
- Ukrainian
- Чина бульбиста
- Welsh
- Ytbysen gnapiog
Synonyms
- Lathyrus attenuatus Viv.
- Lathyrus festivus Sennen
- Lathyrus tuberculatus Gaudin
- Pisum tuberosum (L.) E.H.L.Krause
Flowers
- In flower
- June to August (from 11,693 flowering iNaturalist observations worldwide)
- Flower colour
- purple (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb, Vine
- Lifespan
- Perennial
- In the US and Canada
- Canada: introduced, Lower 48 states: introduced
Toxicity: Slight, as listed by the USDA PLANTS Database (2025-05-29). USDA rates how toxic a plant is to people or livestock; it is not a pet-safety rating, so ask a vet or poison line if a pet or child ate it.
Photos
FlowerPhoto: coniver, CC0, from iNaturalist 
FlowerPhoto: Adam Kranz, CC0, from iNaturalist 
FlowerPhoto: Екатерина Кропочева, CC BY 4.0, from iNaturalist 
FlowerPhoto: Dr. Nasser Halaweh, CC BY 4.0, from iNaturalist 
FlowerPhoto: Tomas Pocius, CC0, from iNaturalist 
Photo: D. Gordon E. Robertson, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Franz Xaver, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Dmitriy Bochkov, CC BY 4.0, from iNaturalist 
Photo: Franz Xaver, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Franz Xaver, CC BY-SA 3.0, from Wikimedia Commons 
Photo: AnRo0002, CC0, from Wikimedia Commons 
Photo: AnRo0002, CC0, from Wikimedia Commons
More in Lathyrus
- PeaLathyrus oleraceusFabaceae
- Sweet peaLathyrus odoratusFabaceae
- White peaLathyrus sativusFabaceae
- Meadow vetchlingLathyrus pratensisFabaceae
- Yellow peaLathyrus aphacaFabaceae
- Flat peaLathyrus sylvestrisFabaceae
- Marsh peaLathyrus palustrisFabaceae
- Perennial peaLathyrus latifoliusFabaceae
- Spring-vetchLathyrus vernusFabaceae
- Beach peaLathyrus japonicusFabaceae
- Bitter vetchLathyrus linifoliusFabaceae
- Black peaLathyrus nigerFabaceae
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.