Populus grandidentata Michx.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Salicaceae
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Scientific Name
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Description
Species Description - Tree with light greenish-gray bark (darker than no. 3), becoming dark brown and furrowed in age; petioles strongly flattened; terminal buds dull brown, finely hairy; lvs tomentose-puberulent when young, especially beneath, later glabrous, dark green above, pale and glaucous beneath, often with a pair of basal glands, mostly 5–12 cm, the lowest veins strongly ascending as in no. 3 [Populus tremuloides Michx.]; lvs of short shoots coarsely and remotely toothed, with mostly 5–12 large, projecting teeth (the largest ones 1.5–6 mm deep) on each side; lvs of long shoots often with smaller and more numerous teeth; scales of catkins shallowly cleft into 5–7 lance-triangular lobes; stamens 5–12; stigmas 2, linear, bifid; frs slenderly conic, 3–5 mm, on pedicels 1–2 mm, with 5–8 seeds per placenta; 2n=38. Upland woods, often in drier soil than no. 3 [Populus tremuloides Michx.]; N.S. to Minn., s. to N.C., Tenn., and n. Mo., abundant northward. A hybrid with no. 3 is P. ×barnesii W. H. Wagner, or P. ×smithii B. Boivin.
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Common Names
big-toothed aspen