Populus tremuloides Michx.
FamilySalicaceae — APG family: Salicaceae
Common namequaking aspen, american aspen
DescriptionA tree 6-12 meters tall, with smooth, pale, yellowish-green bark; leaves ovate, rhombic, suborbicular, crenate-serrulate, short acuminate; capsules smooth, seeds maturing in early spring. -
EcologyIn open woods and along creeks, to about 1,300 meters in McKinley Park; pioneer on burned slopes. Described from Canada and “Novoboraca” (New Brunswick).
The Eurasiatic counterpart, P. trémula L., has irregularly sinuate-dentate, obtuse or somewhat acute leaves, not noticeably overlapping; its range is marked with a broken line on the circumpolar map. Hybrids of P. tremuloides with P. balsamifera occur, but are rare (1 clump occurs at Lignite; also at Mission Bluff, Eagle).
Hultén's Flora About

This is a digital representation of Eric Hultén’s ‘Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants’, which was published by Stanford University Press in 1968. The book was digitized by C. Webb (at UAMN) as part of the Flora of Alaska project, with funding by the US NSF (Grant 1759964 to Ickert-Bond & Webb), and with permission of Stanford University Press. Data and images © 1968 Board of Trustees of the Leland Stanford Jr. Univ. Usage licence: Creative Commons BY-NC-SA 4.0. NB: You may find OCR errors; please refer to the hard-copy if in doubt.