This species is localised in the Salford Borough. First found in the borough along
Vicar's Hall Lane, Boothstown (SD7100, DP Earl, 1991, BON). Since found to occur
occasionally between Boothstown and Dale’s Brow, Swinton (SD7700) with a
further small population at Clifton (SD7703, DP Earl, 2003).
The stems are round with curved prickles, the terminate leaflets are obovate with
a mucronate point. The flowers have pink petals and pink- based filaments. The
anthers are nearly always glabrous although plants with slightly hairy anthers
have been found near Longridge, Lancashire.