Northern Prairie Wildlife Research Center
Western Wetland Flora
Field Office Guide to Plant Species
Erigeron peregrinus (Banks ex Pursh) Greene
- Family: Composite (Compositae)
- Flowering: June-September
- Field Marks: This fleabane, which looks like an aster, may reach a height of 2 feet. The broad purplish rays are 1/10-1/6 inch wide, and the basal leaves taper to the leaf stalk.
- Habitat: Wet meadows, along streams, in bogs, particularly in the high mountains.
- Habit: Perennial herb with fibrous roots and short rhizomes.
- Stems: Upright, up to 2 feet tall, smooth or sometimes a little hairy.
- Leaves: Basal leaves spatulate to oblanceolate, up to 4 inches long, up to 1 inch wide, without teeth, tapering to the leaf stalk; leaves on the stem alternate, lanceolate to ovate, up to 2 inches long, sessile and sometimes clasping the stem.
- Flowers: Crowded into 1 or a few heads at the tip of the stem, the head up to 2 inches wide, consisting of ray flowers and a central disk of tubular flowers; ray flowers 30-80, flat, purplish, to 1 inch long, 1/10-1/6 inch wide; disk flowers tub
- Sepals: 0.
- Petals: Some of them purple and ray-like, others tubular, yellow, forming a central disk.
- Stamens: 5.
- Pistils: Ovary inferior, hairy.
- Fruits: Achenes up to 1/4 inch long, hairy, with 20-30 bristles at the tip.
- Notes: This species is variable with respect to hairiness, amount of teeth on the leaves, and color of the rays.
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