Northern Prairie Wildlife Research Center
Western Wetland Flora
Field Office Guide to Plant Species
Populus angustifolia E. James
- Family: Willow (Salicaceae)
- Flowering: February-April
- Field Marks: This tree is recognized by its lanceolate, toothed leaves that are paler on the lower surface. It differs from similar-leaved willows by having its leaf buds covered by several scales.
- Habitat: Along streams, in moist woods.
- Habit: Tree up to 60 feet tall; trunk light brown, shallowly furrowed.
- Stems: Twigs orange-brown at first, becoming tan, not hairy.
- Leaves: Alternate, simple, lanceolate, up to 4 inches long, up to 2 inches wide, long
pointed at the tip, rounded or tapering at the base, paler green on the lower surface, smooth,
- Flowers: Many crowded into elongated spikes up to 4 inches long, the male spikes borne on separate trees from the female flowers; each flower subtended by 1 bract.
- Sepals: 0.
- Petals: 0.
- Stamens: 10-20.
- Pistils: Ovary superior.
- Fruits: Capsules nearly spherical but with a short point at the tip, up to 1/4 inch long; seeds with tufts of hairs.
- Notes: The flowers bloom before the leaves unfold.
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