Lathyrus rigidus is a species of wild pea known by the common name stiff pea. It is native to the Modoc Plateau and surrounding areas in the western United States from northeastern California to Idaho. It is a plant of the sagebrush scrub and other habitat in the region. This is a perennial herb forming a clump of short, erect stems. The leaves are made up of several pairs of leaflets 1 to 3 centimeters (0.4 to 1.2 in) long each. The inflorescence is a dense raceme of two to five white or pink pea flowers, each roughly 2 cm (0.8 in) long. The fruit is a hairless legume pod.

Lathyrus rigidus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Lathyrus
Species:
L. rigidus
Binomial name
Lathyrus rigidus
edit
  • Calflora Database: Lathyrus rigidus (Rigid pea, Stiff pea)
  • Jepson Manual eFlora (TJM2) treatment of Lathyrus rigidus
  • USDA Plants Profile
  • "Lathyrus rigidus". The Encyclopedia of Life.  
  • UC CalPhotos gallery