Northern Prairie Wildlife Research Center
Southern Wetland Flora
Field Office Guide to Plant Species
Pluchea purpurascens (Swartz) DC.
- Family: Aster (Asteraceae)
- Flowering: August-October
- Field Marks: This species is distinguished by its dense clusters of purplish flower heads, its
distinctly stalked leaves, and its bracts that are sparsely glandular.
- Habitat: Low pinelands, flatwoods, bogs, coastal shores, swales, wet hammocks, brackish and
- Habit: Annual herb with fibrous roots.
- Stems: Upright, branched, usually smooth above, hairy nearer the base, up to 3 feet tall.
- Leaves: Alternate, simple, ovate to lanceolate, mostly rounded at the tip, tapering to the base,
toothed, glandular-hairy, up to 6 inches long, up to 3 inches wide; leaf stalks 1/4-1 inch long.
- Flowers: Many crowded together into heads, with few heads crowded into flat-topped cymes;
each head up to 1/3 inch long, subtended by numerous sparsely glandular bracts.
- Sepals: 0.
- Petals: 5, united to form a short tube, purplish.
- Stamens: 5.
- Pistils: Ovary inferior.
- Fruits: Achenes hairy, up to 1/12 inch long.
- Notes: This plant, like all other species of Pluchea, has a fetid odor. It has been called P. odorata
in the past.
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