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Michigan Trees - Set 2
Science Olympiad tree list for Michigan and Envirothon Forestry
Terms in this set (47)
Evergreen needles, stiff, 1/2 to 1 inch long, 4-angled but somewhat flattened, with a sharp pointed tip, shiny deep green. Each needle borne on a raised, woody peg (sterigma).
Evergreen needles, stiff, 1/3 to 3/4 inch long, square in cross section, needle tips are pointed but not sharp, green to gray-green. Each needle borne on a raised, woody peg (sterigma).
Evergreen, four-sided needles, stiff, 1/4 to 1/2 inch long, light blue-green in color, somewhat blunt pointed tips, light blue-green to gray.
Evergreen needles, 3/4 to 1 1/4 inches long, stiff and very sharp (spine-like), displayed nearly straight out from twig, silvery blue to dark green. Strong acidic taste. Each needle borne on a raised, woody peg (sterigma).
Evergreen needles, 3/4 to 1 1/2 inches long, two twisted, divergent needles per fascicle, fascicle sheath is present but short; yellow-green in color.
Evergreen needles, 4 to 6 inches long, with two needles per fascicle that snap cleanly when bent, dark green.
Eastern White Pine
Evergreen needles, 3 to 5 inches long, with
, slender, flexible needles per fascicle
Scotch Pine (Scots Pine)
Evergreen needles, 1 1/2 to 3 inches long, with two stout, twisted needles per fascicle, blue-green with distinct stomatal bands.
Alternate, simple, palmately veined, 4 to 8 inches wide, ovate in shape, with three to five lobes, margins coarsely toothed
Alternate, simple, ovate, finely serrated, 3 to 6 inches long, shiny dark green, paler and often blotchy orange below, petiole long
Alternate, simple, pinnately veined, 3 to 6 inches long, triangular (deltoid) in shape with a crenate/serrate margin
Bigtooth (Largetooth) Aspen
Alternate, simple, orbicular to ovate, 3 to 4 inches long, pinnately veined, large blunt teeth, petiole flattened vertically
Alternate, simple, 1 to 3 inches long, green above and paler below, heart-shaped to nearly round with a fine toothed margin
Pin Cherry (fire cherry)
Alternate, simple, lanceolate, 3 to 5 inches long, 1 to 1 1/2 inches wide, finely serrated margin
Alternate, simple, 2 to 5 inches long, oblong to lance-shaped, finely serrated, very small inconspicuous glands on petiole, dark green and lustrous above
Alternate, simple, oblong to nearly oval, 2 to 4 inches long, finely serrated margin
Alternate, simple, oblong to ovate in shape, 4 to 7 inches long; 7 to 10 rounded, finger-like lobes, sinus depth varies from deep to shallow, apex is rounded and the base is wedge-shaped, green to blue-green above and whitish below.
Swamp White Oak
Alternate, simple, obovate, 3 to 7 inches long, margin with large irregular blunt teeth, 2 to 4 1/2 inches wide
Alternate, simple, 3 to 7 inches long, oval in shape with very deep sinuses and bristle-tipped lobes
Northern Pin Oak
Alternate, simple, 6 to 12 inches long, roughly obovate in shape, with many lobes. The two middle sinuses nearly reach the midrib dividing leaf nearly in half. The lobes near the tip resemble a crown
Alternate, simple, obovate or oblong, large coarse gland tipped teeth on margin, 4 to 7 inches long
Alternate, simple, 3 to 6 inches long, oval in outline with 5 to 9 bristle-tipped lobes and irregularly deep sinuses that extend nearly to the midrib. Major lobes form a U-shape.
Northern Red Oak
Alternate, simple, 5 to 8 inches long, oblong in shape with 7 to 11 bristle-tipped lobes, sinuses extend 1/3 to 1/2 of the way to midvein, generally very uniform in shape
Alternate, simple, 4 to 7 inches long, 5 to 9 lobes with coarse bristle tips, sinuses extend more than halfway to midrib
Alternate, simple, 4 to 10 inches long, obovate or ovate in shape with 5 (mostly) to 7 bristle-tipped lobes; leaf shape is variable, with some leaves having deep sinuses and shade leaves having very shallow sinuses,
lustrous shiny green above
Alternate, pinnately compound, 16 to 24 inches long, with 11 to 31 lanceolate leaflets with serrate margins each 2 to 5 inches long, rachis fuzzy
Alternate, pinnately compound, with 7 to 19 leaflets, 8 to 14 inches long. Leaflets are oval, one inch long, with entire margins. Leaves resemble sprigs of grapes
Alternate, simple, very narrowly lance-shaped, finely serrated margin, yellow-green above, milky green below, 3 to 6 inches in length, 3/8 to 1/2 inch in width.
Alternate, simple, pinnately veined, lanceolate in shape, 3 to 6 inches long, with a finely serrate margin. Leaves are dark and shiny above, light green below.
Alternate, simple, pinnately veined, ovate to elliptical, entire, 3 to 6 inches long with 1 to 3 lobes; the 2-lobed leaf resembles a mitten, the 3-lobed leaf resembles a trident
Alternate, pinnately compound, 6 to 10 inches long, 11 to 17 lance-shaped, serrated leaflets, 2 to 2 1/2 inches long, often arching,
Evergreen, scale-like, on main shoots, 1/4 inch long with long points. Lateral shoots are flattened, 1/8 inch long with short points.
Alternate, simple, ovate to cordate, 5 to 6 inches long, with serrate margins, pinnately veined,
base is unequally cordite
, single needles, 1/2 inch long, tapering to a dull point, primarily two-ranked, shiny dark green above, 2 lines of white stomata below
Alternate, simple, ovate to oblong, 3 to 5 inches long, 1 to 3 inches wide, margin coarsely and sharply doubly serrate,
base conspicuously inequilateral
Alternate, simple, elliptical to ovate, 1 to 2 1/2 inches long, singly serrated margin, nearly an equilateral base
Alternate, simple, ovate to oblong, 4 to 6 inches long, 2 to 3 inches wide, margin coarsely and sharply doubly serrated,
base conspicuously inequilateral
alternate, opposite, whorled
THIS SET IS OFTEN IN FOLDERS WITH...
Michigan Trees - Set 1
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