Rosa caesia x canina (R. x dumalis)

Tracheophyta MagnoliopsidaRosaceaeRosaRosa caesia x canina (R. x dumalis)


An often robust hybrid found in a wide variety of habitats, including woodland, scrub, hedgerows, rough grassland, sand dunes, tracksides and waste ground. It is fertile and back-crosses to its parents, often producing complex hybrid populations. Lowland.



World Distribution

Wider distribution uncertain.

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 3

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 3

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 2.8

July Mean Temperature (Celsius): 13.8

Annual Precipitation (mm): 1151

Height (cm): 200

Perennation - primary


Life Form - primary


Life Form - secondary

Mega-, meso- and microphanerophyte



Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 729

Count of 10km squares in Ireland: 23

Count of 10km squares in the Channel Isles: 0

JNCC Designations


Atlas text references

Preston CD
1997.  The genus Rosa in Cambridgeshire (v.c. 29): an interim account. Nature in Cambridgeshire. 39:40-53. Stace CA
1975.  Hybridization and the flora of the British Isles.