Flora of North America species comparison

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Pinus sylvestris

Pinus resinosa

pin d'écosse, Scotch pine, Scots pine

Norway pine, pin rouge, red pine
Habit Trees to 37m; trunk to 1.5m diam., straight; crown narrowly rounded.
Bark

light red-brown, furrowed and cross-checked into irregularly rectangular, scaly plates.
Branches

spreading-ascending;

twigs moderately slender (to 1cm thick), orange- to red-brown, aging darker brown, rough.
Buds

ovoid-acuminate, red-brown, to ca. 2cm, resinous;

scale margins fringed.
Leaves

2 per fascicle, straight or slightly twisted, brittle, breaking cleanly when bent, deep yellow-green, all surfaces with narrow stomatal bands, margins serrulate, apex short-conic, acute;

sheath 1–2.5cm, base persistent.
Pollen cones

ellipsoid, ca. 15mm, dark purple.
Seed(s)

cones maturing and opening in 2 years, spreading, symmetric, ovoid before opening, broadly ovoid to nearly globose when open, 3.5–6cm, light red-brown, nearly sessile;

apophyses slightly thickened, slightly raised, transversely low-keeled;

umbo central, centrally depressed, unarmed.
2n

=24.

Pinus sylvestris

Pinus resinosa
Habitat Sandy soils, eastern boreal forests
Elevation 200–800(–1300)m (700–2600(–4300)ft)
Distribution
from USDA
North America; Eurasia
[WildflowerSearch map]
[BONAP county map]
from FNA
CT; IL; MA; ME; MI; MN; NH; NJ; NY; PA; VT; WI; WV; MB; NB; NF; NS; ON; PE; QC
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties ca. 20 (1 introduced in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Pinus resinosa was once the most important timber pine in the Great Lakes region.

Norway pine (Pinus resinosa) is the state tree of Minnesota.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 2. FNA vol. 2.
Parent taxa Pinaceae > Pinus Pinaceae > Pinus
Sibling taxa
P. albicaulis, P. aristata, P. attenuata, P. balfouriana, P. banksiana, P. cembroides, P. clausa, P. contorta, P. coulteri, P. echinata, P. edulis, P. elliottii, P. engelmannii, P. flexilis, P. glabra, P. jeffreyi, P. lambertiana, P. leiophylla, P. longaeva, P. monophylla, P. monticola, P. muricata, P. palustris, P. ponderosa, P. pungens, P. quadrifolia, P. radiata, P. resinosa, P. rigida, P. sabiniana, P. serotina, P. strobiformis, P. strobus, P. taeda, P. torreyana, P. virginiana, P. washoensis
P. albicaulis, P. aristata, P. attenuata, P. balfouriana, P. banksiana, P. cembroides, P. clausa, P. contorta, P. coulteri, P. echinata, P. edulis, P. elliottii, P. engelmannii, P. flexilis, P. glabra, P. jeffreyi, P. lambertiana, P. leiophylla, P. longaeva, P. monophylla, P. monticola, P. muricata, P. palustris, P. ponderosa, P. pungens, P. quadrifolia, P. radiata, P. rigida, P. sabiniana, P. serotina, P. strobiformis, P. strobus, P. sylvestris, P. taeda, P. torreyana, P. virginiana, P. washoensis
Subordinate taxa
P. sylvestris var. sylvestris
Name authority Linnaeus: Sp. Pl. 2: 1000. (1753) Aiton: Hort. Kew. 3: 367. (1789)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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