Northern Prairie Wildlife Research Center
Smooth Horsetail (Equisetum laevigatum))
- Family: Horsetail (Equisetaceae)
- Spores: March-July
- Field Marks: This horsetail is distinguished by its nearly smooth stems and its pointed cones.
- Habitat: Along streams.
- Habit: Perennial herb.
- Stems: Erect, green, jointed, grooved, smooth, up to 5 feet tall.
- Leaves: Reduced to tiny, black teeth with white borders, triangular scales encircling the stem at each joint.
- Reproductive Bodies: Arranged in solitary cones at the tip of each stem, the cones up to 1 inch long, pointed at the tip.
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