Ulmus laevis 'Helena'

The European White Elm cultivar Ulmus laevis 'Helena' is a Dutch introduction in commerce circa 2010 at the Boomkwekerij s'Herenland at Randwijk (PBR applied for: EU 20142249).[1] The cultivar was cloned from a tree planted as one of a line of 17 White Elms at Eibergen circa 1900, which developed a straight central leader.

The 17 U. laevis at Eibergen
Ulmus laevis 'Helena'
SpeciesUlmus laevis
Cultivar'Helena'
OriginEurope

Description

The tree is described as having upright, uniform, growth, producing yellow leaves in autumn. At age 100, 'Helena' should be approximately 22 m high, with a crown diameter of about 12 m.[1]

Cultivation

'Helena' is judged 'sustainable and durable in public parks',[1] but has not been planted beyond the Netherlands (2016).

Accessions

None known

Nurseries

Europe
  • The Tree Centre, Opheusden, Netherlands
  • Van Den Berk (UK) Ltd., , London, UK
gollark: Huh? But it goes 5, 1, 2, 3, 4, 6.
gollark: Alpine sounds more, well, biomey.
gollark: Ah, *that* makes sense.
gollark: 5, 1, 2, 3, 4, 6, 7...
gollark: I guess they might get serialized to ints, but at the very least the ordering is weird.

References
  1. Ulmus laevis 'Helena'


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.