Geranium endressii x versicolor (G. x oxonianum)
A clump-forming perennial herb, occasionally naturalised in open woodland and rough grassland on railway banks and roadsides, usually close to habitation, and also occurring as a garden throw-out on tips and waste ground. Lowland.
This hybrid was first cultivated in Britain in 1932 and is much grown in gardens; it has been recorded in the wild since 1954. It is an extremely variable taxon; whilst the large-flowered cultivar `Claridge Druce` is distinctive, smaller-flowered cultivars of this hybrid such as `A. T. Johnson` and `Winscombe` may frequently have been recorded in error as G. endressii.
A hybrid of garden origin.
PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.