Israel wildflowers: Arabian pea

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

Hebrew: שרעול שעיר, Arabic: حومان

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


Life form:   Hemicryptophyte
Leaves:   Trifoliate
Flowers:   White, lilach flowers
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:   Perennating


Derivation of the botanical name:

Psoralea, ψωραλέος psoraleos, scurfy, scabby, mangy; referring to the glandular dots on the leaves.

Bituminaria, Latin and Greek bitumen, Greek asphaltos, concerning bitumen, tar-smelling weed.
bituminosa, resembling bitumen.

  • 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.