Herbarium specimen: Rumex sanguineus x obtusifolius = R. x dufftii

Taxon:	Polygonaceae: Rumex sanguineus x obtusifolius = R. x dufftii Hausskn. named by Eric Frederic Drabble The (detached) lower leaf on my sheet has unmistakeable sanguineus characters, while the fruiting sepals seem to indicate obtusifolius. I think it is correctly named
Other name:	Polygonaceae: Rumex sanguineus x obtusifolius = R. x dufftii Hausskn. named by Danser 1933 Probably some hybrid of obtusifolius perhaps R. obt x sanguineus though different from the specimens seen by me up to the present; the latter have much narrower valves.
Filed in taxon folder:	Polygonaceae: Rumex obtusifolius L. ("Broad-leaved Dock")
Collected by:	Mr Harold Stuart Thompson
Collection date:	27/8/1932
Locality:	Great Britain, VC34 West Gloucestershire, Clifton, ST57
ex herb:	Mr Harold Stuart Thompson
Institution:	University of Birmingham (BIRM)
Image:
notes:	No specimens kept HST

Inferred details are marked.

Associated records

Other specimen entries from this sheet.


	taxon	locality	collectors	date	institution
+	Rumex obtusifolius		Harold Stuart Thompson	26/5/1931	BIRM
+	Rumex obtusifolius	GB, VC34 West Gloucestershire, Clifton	Harold Stuart Thompson	1/8/1933	BIRM

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Documented by mossysal on 23^rd April 2010.

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