Fabaceae
Beach pea
Lathyrus japonicus
- Family
- Fabaceae
- Genus
- Lathyrus
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Common names
By language (25)
- arz
- لاثيروس جابونيكوس
- Azerbaijani
- Yapon gülülcəsi
- Chinese
- 海滨山黧豆, 海濱山黧豆, 日本山黧豆, 海滨香豌豆
- Danish
- Strand-Fladbælg
- Dutch
- Zeelathyrus
- English
- Beach pea, Sea pea, Sea vetchling, Seaside pea
- Estonian
- Rand-seahernes
- Finnish
- Merinätkelmä
- French
- Gesse maritime, Gesse de mer, Pois de mer
- frr
- Dünemeert
- German
- Strand-Platterbse, Japanische Platterbse, Strandplatterbse
- Greek
- Λάθυρος ο ιαπωνικός
- hsb
- Přimórski hróšik
- Icelandic
- Baunagras
- Irish
- Peasairín trá
- Japanese
- ハマエンドウ
- Latvian
- Jūrmalas dedestiņa
- Norwegian Bokmål
- Strandflatbelg, Stranderteknapp
- Norwegian Nynorsk
- Strandskolm
- Persian
- خلر ژاپنی
- Polish
- Groszek nadmorski
- Russian
- Чина японская
- Swedish
- Strandvial, Strandärt
- Ukrainian
- Чина японська
- Welsh
- Ytbysen arfor
Synonyms
- Lathyrus japonicus f. japonicus
- Lathyrus japonicus subsp. japonicus
- Lathyrus japonicus var. pilosiusculus Pobed.
- Lathyrus japonicus var. typicus Fernald
- Lathyrus pisiformis Houtt.
- Orobus japonicus (Willd.) Alef.
Flowers
- In flower
- May to August (from 1,778 flowering iNaturalist observations worldwide)
- Flower colour
- purple (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb, Vine
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Greenland: native, Lower 48 states: native, St. Pierre and Miquelon: native
Photos
FlowerPhoto: Георгий Виноградов (Georgy Vinogradov), CC BY 4.0, from iNaturalist 
FlowerPhoto: Joshua, CC0, from iNaturalist 
FlowerPhoto: Robert Roach, CC BY 4.0, from iNaturalist 
FlowerPhoto: Robert Guralnick, CC BY 4.0, from iNaturalist 
Photo: No machine-readable author provided. Dlanglois assumed, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Dmitry Kulakov, CC BY 4.0, from iNaturalist 
Photo: No machine-readable author provided. Dlanglois assumed, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Braden J. Judson, CC0, from iNaturalist 
Photo: Leonora, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Nathan Piechocki, CC0, from iNaturalist 
Photo: Σ64, CC BY 4.0, from Wikimedia Commons 
Photo: Masumi Palhof, CC BY 4.0, from iNaturalist
More in Lathyrus
- PeaLathyrus oleraceusFabaceae
- Sweet peaLathyrus odoratusFabaceae
- White peaLathyrus sativusFabaceae
- Meadow vetchlingLathyrus pratensisFabaceae
- Tuberous sweetpeaLathyrus tuberosusFabaceae
- Yellow peaLathyrus aphacaFabaceae
- Flat peaLathyrus sylvestrisFabaceae
- Marsh peaLathyrus palustrisFabaceae
- Perennial peaLathyrus latifoliusFabaceae
- Spring-vetchLathyrus vernusFabaceae
- 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.