Northern Prairie Wildlife Research Center
Western Wetland Flora
Field Office Guide to Plant Species
Antennaria corymbosa E. Nels.
- Family: Composite (Compositae)
- Flowering: June-August
- Field Marks: This species differs from all other pussy-toes by the conspicuous black spot near the middle of each bract in the flower head.
- Habitat: Wet meadows in the mountains.
- Habit: Perennial, mat-forming herb from a slender rootstock.
- Stems: Both spreading stolons and upright stems present, up to 10 inches long, hairy.
- Leaves: Basal and alternate on the stem, simple, oblanceolate to spatulate, up to 2 inches long, up to 1/4 inch wide, pointed at the tip, tapering to the base, hairy but greenish.
- Flowers: Several crowded together into heads, the male and female flowers borne on
separate plants; heads several in a terminal cluster, subtended by bracts; bracts woolly, with a
conspicuous black spot near the middle.
- Sepals: 0.
- Petals: White, those of the male flowers united into thread-like rays, those of the female flowers united into a tube with 5 teeth.
- Stamens: 5.
- Pistils: Ovary inferior; styles in the female flowers deeply 2-cleft.
- Fruits: Achenes minutely hairy, topped by slender bristles.
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