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nafex - [NAFEX] Sorbus species

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  • From: dwoodard@becon.org
  • To: nafex@lists.ibiblio.org
  • Subject: [NAFEX] Sorbus species
  • Date: Sun, 14 Jan 2007 21:21:00 -0500 (EST)

Wikipedia has some moderately interesting articles:
http://en.wikipedia.org/wiki/Rowan
http://en.wikipedia.org/wiki/Sorbus
http://en.wikipedia.org/wiki/Service_Tree
the latter about Sorbus domestica which is distinct from Sorbus aucuparia

There are three species listed for North America:
American mountain-ash
Sorbus americana

Showy mountain-ash
Sorbus decora

Sitka mountain-ash
Sorbus sitchensis

The first two are Eastern.

According to Farrar's "Trees in Canada"
S. americana is a shrub or small tree to 10 metres.
There is an isolated population in Pennsylvania, otherwise southern New York to southern Labrador, Newfoundland west to around Rainy River (and NE Minnesota).

S. decora
is a small tree to 15 metres.
There are isolated populations in Ohio, Indiana, Wisconsin, Vermont, otherwise from Georgian Bay to the east end of Lake Ontario, north
almost to Ungava Bay, Newfoundland west to south central Manitoba.

S. sitchensis
is a shrub or shrubby tree to 6 metres
found in B.C. and western Alberta; nothing is said
about the U.S.

Doug Woodard
St. Catharines, Ontario, Canada




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