Pea, Sulpher;  Lathyrus sulphureus

Mid bloomer.  Yellow to tan irregular flowers, some with purple to tan/orange tint.  Climbing vine, food for blue butterflies. 

Notes:  Also called Brewer’s Pea.  Has sprawling stems, prefers semi-shaded western slopes.

Click on species name below to go to USDA for this plant

Kingdom Plantae -- Plants 
    Subkingdom Tracheobionta -- Vascular plants 
        Superdivision Spermatophyta -- Seed plants 
            Division Magnoliophyta -- Flowering plants 
                Class Magnoliopsida -- Dicotyledons 
                    Subclass Rosidae 
                        Order Fabales 
                            Family Fabaceae -- Pea family 
                                Genus Lathyrus L. -- pea
                                    Species Lathyrus sulphureus Brewer ex Gray -- snub pea

Pea, Sulpher;  Lathyrus sulphureus