Tetragonolobus purpureus

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Tetragonolobus purpureus
Tetragonolobus purpureus (plant).jpg
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Genus: Tetragonolobus
Species: T. purpureus
Binomial name
Tetragonolobus purpureus
  • Lotus palaestinus (Boiss.) Holmboe
  • Lotus tetragonolobus L.
  • Scandalida tetragonoloba (L.) Medik.
  • Tetragonolobus edulis Link
  • Tetragonolobus palaestinus Boiss.
  • Tetragonolobus purpureus subsp. palaestinus (Boiss.) Ponert

Tetragonolobus purpureus, synonym Lotus tetragonolobus, known as asparagus-pea[2] or winged pea,[3] is an annual leguminous herb native to the countries around the Mediterranean, although introduced elsewhere.[1] It is low growing, and produces a profusion of prominent deep red flowers, followed by seed pods that are longitudinally winged.

Botanical illustration

It is cultivated for its edible green seed pods, which are one of the vegetables known as asparagus pea or winged pea.


  1. ^ a b c "Tetragonolobus purpureus Moench". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2018-02-06. 
  2. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17. 
  3. ^ "Tetragonolobus purpureus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 9 December 2015.