Sorbus devoniensis

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Sorbus devoniensis
Devon Whitebeam.JPG
Devon Whitebeam, leaves and young fruit
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Rosales
Family: Rosaceae
Genus: Sorbus
Subgenus: Aria
Species: S. devoniensis
Binomial name
Sorbus devoniensis
  • Pyrus rotundifolia E.S.Marshall
  • Sorbus latifolia Syme,p.p.69

Sorbus Devonensis is known by the English name of Devon whitebeam[2] and locally as otmast.[3] It is a species of Whitebeam tree in the Rosaceae family. It is endemic to the British Isles, growing wild only in areas of Devon, Cornwall, Somerset and Ireland.

It did not exist before the last Ice Age, probably arising from a hybrid between the Wild Service Tree and another Whitebeam.


It will form a deciduous tree to about 12 metres height.

The leaves are entire, lobed, are dark green above, underside has a dense layer of white hairs.

It flowers at the end of May, they are white with 5 petals.

The fruits ripen at the end of October. They are orange brown, and edible.[4]

Locations found[edit]

Botanist David Cann would like to know of any other locations where this species has been found.


  1. ^ The Plant List: A Working List of All Plant Species, retrieved 27 December 2016 
  2. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-02-25. Retrieved 2014-10-17. 
  3. ^ Browse, P.M.M. (2005), Heligan: Fruit, Flowers and Herbs, Alison Hodge, pp. 88–89, ISBN 9780906720400 
  4. ^ Wild Devon: The Magazine of the Devon Wildlife Trust, pages 16 to Winter 2009 edition, article by David Cann, contact