Bituminaria bituminosa, Psoralea bituminosa, Bitumen Trefoil,
Pitch Trefoil, Scurfy Pea, שרעול שעיר

Scientific name:  Bituminaria bituminosa (L.) Stirton
Synonym name:  Psoralea bituminosa L.
Common name:  Arabian pea, Bitumen Trefoil
Hebrew name:  שרעול שעיר
Plant Family:  Fabaceae, קטניות

Israel flowers and native plants

Life form:  Hemicryptophyte
Stems:  Erect, numerous branches and sub-branches, pubescent
Leaves:  Alternate, petiolate, trifoliate, entire
Flowers:  Cluster with stalked White lilach papilionaceous flowers
Fruits / pods:  Light brown legume; one brown seed per fruit, ovoid, 5 mm long
Flowering Period:   March, April, May, June, July
Habitat:   Batha, Phrygana
Distribution:  Mediterranean Woodlands and Shrublands, Semi-steppe shrublands, Deserts and extreme deserts, Montane vegetation of Mt. Hermon
Chorotype:  Mediterranean
Summer shedding:  Perenating

פרחים וצמחי בר בארץ ישראל: דיווחי פריחה


Derivation of the botanical name:
Bituminaria, Latin and Greek bitumen, Greek asphaltos, concerning bitumen, tar-smelling weed.
bituminosa, resembling bitumen.
Psoralea, ψωραλέος psoraleos, scurfy, scabby, mangy; referring to the glandular dots on the leaves.
  • The standard author abbreviation L. is used to indicate Carl Linnaeus (1707 – 1778), a Swedish botanist, physician, and zoologist, the father of modern taxonomy.
  • The standard author abbreviation Stirton is used to indicate Charles Howard Stirton; 1946- , South Africa,, the Founding Director of the National Botanic Garden of Wales.
Vilda blommor i Israel


Bituminaria bituminosa,Psoralea bituminosa, Bitumen Trefoil, Pitch Trefoil, Scurfy Pea, Arabian Scurfy Pea, שרעול שעיר


Israel Wildflowers and native plants