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Rubus ulmifolius
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Rosales
Family:	Rosaceae
Genus:	Rubus
Species:	R. ulmifolius
Binomial name
Rubus ulmifolius Schott 1818
Synonyms
List Rubus abruptus Lindl. Rubus aetneus Tornab. Rubus albescens Boulay & Gillot Rubus appenninus Evers Rubus bellidiflorus hort. ex K.Koch Rubus bujedanus Sennen & T.S.Elias Rubus castellanus Sennen & T.S.Elias Rubus cocullotinus Evers Rubus crispulus Gand. Rubus discolor Syme Rubus discolor Weihe & Nees Rubus edouardii Sennen Rubus gerundensis Sennen Rubus hispanicus Willk. Rubus inermis A.Beek Rubus karstianus Borb s Rubus legionensis Gand. Rubus lejeunei Weihe ex Lej. Rubus longipetiolatus Sennen Rubus minutiflorus Lange Rubus oculus-junonis Gand. Rubus panormitanus Tineo Rubus rusticanus Mercier Rubus segobricensis Pau Rubus siculus C.Presl Rubus sinusifolius Sennen Rubus × tridentinus Evers Rubus valentinus Pau

Rubus ulmifolius is a species of wild blackberry known by the English common name elmleaf blackberry or thornless blackberry and the Spanish common name zarzamora. It is native to Europe and North Africa, and has also become naturalized in parts of the United States (especially California), Australia, and southern South America.

Description

Rubus ulmifolius is a brambly shrub sometimes as much as 5 meters (almost 17 feet) tall, sometimes with spines but not always. Leaves are palmately compound with 3 or 5 leaflets, the leaflets green on the upper surface but white on the underside because of a dense layer of woolly hairs. Flowers are usually pink, sometimes white. The fruit is a compound drupe, dark purple, almost black.

Reproduction

Rubus ulmifolius is unique among subgenus Rubus in displaying normal sexual reproduction; all other species are facultative apomicts.

Distribution and habitat

Rubus ulmifolius is found in its native range across Western Europe, from the Netherlands south to Spain and Portugal, in Britain and Ireland, as well as NW Africa. It is naturalised in North America, South America, Australasia and South Africa. In Britain and Ireland it is a plant of hedges and woodland edges on calcareous soils.

Subspecies

Rubus sanctus is often considered to be a subspecies of R. ulmifolius.

References

1. "The Plant List: A Working List of All Plant Species". Retrieved February 5, 2014.
2. ^ "Rubus ulmifolius in Flora of North America @ efloras.org". www.efloras.org.
3. ^ Edees, E.S., Newton, A. and Kent, D.H., 1988. Brambles of the British Isles. Ray Society.
4. "Rubus ulmifolius". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 21 December 2017.
5. Pacific Island Ecosystems at Risk
6. Altervista Flora Italiana, Rubus ulmifolius Schott includes photos and European distribution map
7. "Rubus ulmifolius Calflora". www.calflora.org.
8. Troncoso, N. S. 1987. Piperaceae, Polygonaceae (Coccoloba, Muehlenbeckia, Ruprechtia, Emex), Aizoaceae, Molluginaceae, Basellaceae, Berberidaceae, Annonaceae, Menispermaceae, Capparaceae, Rosaceae. 3: 2–6,. In A. E. Burkart (ed.) Flora Ilustrada de Entre Ríos (Argentina). Instituto Nacional de Tecnología Agropecuaria, Buenos Aires
9. Marticorena, C. & M. Quezada. 1985. Catálogo de la Flora Vascular de Chile. Gayana, Botánica 42: 1–157
10. "Atlas of Living Australia".
11. Tela Botanica in French with photos

External links

• Media related to Rubus ulmifolius at Wikimedia Commons
• Rubus ulmifolius in the CalPhotos photo database, University of California, Berkeley
• "Jepson Manual, University of California".
• "Rubus ulmifolius". Plants for a Future.

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