Populus heterophylla L.

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Salicaceae

• Scientific Name

  Populus heterophylla L.

• Description

  Species Description - Tall tree, with shaggy, dull brown bark; buds usually ± pubescent, not or scarcely glutinous; petioles terete, or slightly flattened only near the summit; lvs broadly ovate, 12–20 cm, obtuse or rounded, finely crenate-serrate with incurved teeth, cordate at base, tomentose when young, becoming glabrous above except at the very base of the blade, glabrous below except along the larger veins; scales of the catkins long-ciliate; stamens 12–20; stigmas 2 or 3, broadly dilated, each on a conspicuous style; frs ovoid, 2–3-valved, 7–12 mm, on pedicels 10–15 mm, forming a loose raceme. Wet low woods and swamps; sw. Conn. to Fla. and La., n. in the interior to s. Mich.

• Common Names

  swamp-cottonwood