Canadian hemlock
Tsuga canadensis
CANADIAN HEMLOCK
Pinaceae
E. North America
Location: map coordinates P-17 (northeast corner of Thomasson Building), N 39°11'9'' W 75°32'39''
Planting history: presently unknown.
Description:
Native species, State Rank S1 (extremely rare, and of conservation concern) in New Castle County piedmont in Delaware. Possibly State Rank SH (historical; historically known in Delaware, but not seen in >20 years). Also naturalized and appearing to be native
CANADIAN HEMLOCK
Pinaceae
E. North America
Location: map coordinates P-17 (northeast corner of Thomasson Building), N 39°11'9'' W 75°32'39''
Planting history: presently unknown.
Description:
- tall evergreen tree, conifer
- etymology: Tsuga from the Japanese name; canadensis = of Canada
- leaves needle-like, small, flat; with 2 parallel white lines beneath (each white line is a waxy layer covering rows of microscopic stomates)
- cones small, brown, few-scaled
- very beautiful tree. Top of tree droops, distinctive from a distance
- bark high in tannin; formerly used to tan hides, e.g. during Civil War
- wood poor quality
- under attack by wooly adelgids (scale insects)
- habitat mature forests, north side of slopes, cool ravines
- native range primarily northeastern; growing south in mountains to Georgia
Native species, State Rank S1 (extremely rare, and of conservation concern) in New Castle County piedmont in Delaware. Possibly State Rank SH (historical; historically known in Delaware, but not seen in >20 years). Also naturalized and appearing to be native
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