Otanthus is a genus of flowering plants in the chamomile tribe (Anthemideae) within the daisy family (Asteraceae or Compositae). The only known species is the cotton weed plant, Otanthus maritimus. It is a small pioneering perennial that grows in the dune areas throughout the Mediterranean and exerts a stabilizing action on the sandy soils. A thick white down covers both the stems and the small oval, slightly saw-toothed alternate leaves. The globose flower heads, with their...
Photo: Jenn Megyesi · iNaturalist · CC BY-NC
Cottonweed
Achillea maritima
- Observations in the area
- 3
- Last sighting
- 24 July 2025
- Category
- Plants
Species and sighting data come from the iNaturalist platform and may change over time.
Where it has been observed
More photos
Photo: Lorenzo Pasquali · iNaturalist · CC BY-NC
Photo: Giacomo Gola · iNaturalist · CC BY-NC
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Nature data: iNaturalist
Sighting data also come from open nature platforms and may change over time.