"S" is for: Spruce, Single needles in each bundle, Stiff, Sharp, Square and Stinky needles.
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branchlets droop; needles=medium (12–24 mm) (½–1 in); cones=long (10–15 cm) (4–6 in)🇳🇴 Norway spruce Picea abies some branchlets droop, others splay horizontal; needles=long (20–30 mm) (¾–1¼ in), curving upward, blue-green, ⍋ very sharp◼︎ Colorado blue spruce Picea pungens or no branchlets droop :
needles=long (15–25 mm) (⅗–1 in); Pacific Northwest coastSitka spruce Picea sitchensis
needles=medium (>10 mm) (>½ in); buds and twigs=⫴ hairy◼︎ red spruce Picea rubens needles=medium (9–20 mm) (⅜–¾ in); buds and twigs=hairless◼︎ white spruce Picea glauca
needles=short (<10 mm) (<½ in), blunt-pointed; buds and twigs=⫴ hairy◼︎ black spruce Picea mariana
Part of 🌲︎ cedar / fir / hemlock / larch / pine / spruce family Pinaceae in 🌲︎ conifer order Pinales.
🗺 Map by county (🇺🇸 USA-48) (color key).
Uses by native peoples(Ethnobotany database)
Picea hosts caterpillars of 158 speciesof butterflies and moths, in some areas.
🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Gymnosperm database Michigan Flora Minnesota Wildflowers Flora of North America USDA PLANTS db Wikipedia
🏠︎ 🌲︎ conifer order Pinales 🌲︎ conifers with needles arranged singly hemlock woolly adelgid (HWA) Adelges tsugae
🇳🇴 Norway spruce Picea abies ◼︎ white spruce Picea glauca ◼︎ black spruce Picea mariana ◼︎ Colorado blue spruce Picea pungens ◼︎ red spruce Picea rubens Sitka spruce Picea sitchensis
jack pine Pinus banksiana
bigtooth aspen Populus grandidentata quaking aspen Populus tremuloides