Northern Prairie Wildlife Research Center
Western Wetland Flora
Field Office Guide to Plant Species
Pluchea sericea (Nutt.) Coville
- Family: Composite (Compositae)
- Field Marks: This is a willow-like shrub that has purple flower heads consisting only of disk flowers. The leaves are linear-lanceolate to lanceolate.
- Habitat: Along waterways, often in the desert.
- Habit: Willow-like shrub up to 15 feet tall.
- Stems: Slender, smooth, grayish.
- Leaves: Alternate, simple, leathery, linear-lanceolate to lanceolate, up to 2 inches long, up to 1/3 inch wide, pointed at the tip, tapering to the base, silvery-silky hairy, without teeth, with 1 vein.
- Flowers: Crowded into heads, each head consisting only of purple disk flowers; bracts
subtending each head ovate to lanceolate, leathery, up to 1/3 inch long.
- Sepals: 0.
- Petals: 5, united to form purple disk flowers.
- Stamens: 5.
- Pistils: Ovary inferior, smooth.
- Fruits: Achenes smooth, with a tuft of soft bristles at the tip, each bristle somewhat swollen at the tip.
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