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Rubus nessensis

Rubus nessensis, Photo: Michael Lahanas

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordoo: Rosales

Familia: Rosaceae
Subfamilia: Rosoideae
Tribus: Rubeae
Genus: Rubus
Subgenus: R. subg. Rubus
Sectio: R. sect. Rubus
Species: Rubus nessensis
Name

Rubus nessensis Hall
References

Transactions of the Royal Society of Edinburgh 3:20. 1794

Vernacular names
latviešu: melnā cūcene
русский: Куманика
Rubus nessensis is a species of bramble native to Northwestern Europe, including Great Britain and Ireland. Two subspecies are recognized: R. n. nessensis and R. n. cubirianus.[1]

Description

Rubus nessensis is an erect, arching shrub growing to a height of 2 (rarely 3) metres. In its more usual shaded habitat, its stem is green; plants exposed to more light have brownish stems. Purple, conical prickles are numerous on the stem. Leaves bear 5 to 7 leaflets, the terminal leaflet being around 10 cm long, among the largest in the genus. The fruit is dark red, thus distinguishing Rubus nessensis from other members of Rubus subgenus Rubus , except Rubus scissus, which lacks the conical prickles.[2]
Habitat and distribution

Rubus nessensis is found in riverside woodland, where it can dominate the ground flora. It occurs widely across Northwestern Europe. In Great Britain it has a broad distribution, with strongholds along the south coast, in South Wales, and in Argyll. Most Irish records are from the eastern half of the country.[2]
References

"Oldstyle id: 3665c84dee40bbc282454d58a9ab5945". Species 2000 & ITIS Catalogue of Life. Species 2000: Naturalis, Leiden, the Netherlands.
Edees, E.S., Newton, A. and Kent, D.H., 1988. Brambles of the British Isles. Ray Society.

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Biology Encyclopedia

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