Geranium phaeum

{{Short description|Species of flowering plant}}

{{speciesbox

|image = Geranium phaeum Bodziszek żałobny 03.jpg

|genus = Geranium

|species = phaeum

|authority = L.

}}

Geranium phaeum, commonly called dusky crane's-bill,{{BSBI 2007|accessdate=2014-10-17}} mourning widow or black widow, is a herbaceous plant species in the family Geraniaceae.{{GRIN | accessdate = 16 January 2018}} It is native to southern, central, and western Europe, and is cultivated as a garden subject. It has dark violet colored flowers.{{Citation | last1 = Phillips | first1 = Ellen | last2 = Colston Burrell | first2 = C. | year = 1993 | title = Rodale's illustrated encyclopedia of perennials | pages = 373–76 | isbn = 0875965709 | publisher = Rodale Press| location = Emmaus, Pa.}} It is unmistakable with dark purple petals turned backwards and with conspicuous projecting stamens and style. Petals crinkly-edged and pointed. Leaves often blotched brown.

The cultivar 'Our Pat' has gained the Royal Horticultural Society's Award of Garden Merit.{{cite web | url = https://www.rhs.org.uk/Plants/181281/Geranium-phaeum-Our-Pat/Details | title = Geranium phaeum 'Our Pat' | publisher = RHS | accessdate = 14 July 2020}}