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Tephroseris palustris subsp. congesta

  • Family name: Asteraceae
  • Common name: groundsel
  • Growth form: Forb
  • Names used on the Toolik-Arctic Geobotanical Atlas maps:
    • Arctic Alaska Tundra Vegetation Map: Tephroseris congesta

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  1. Tephroseris palustris subsp. congesta, groundsel
  2. Close-up of young capulescence. Inflorescence composed of 4 flowering heads that are in bud. Each head (capitulum) has numerous disc florets with pinkish undersides of the petals showing. The hallo effect is from the dense hairs on the leaves subtending the inflorescence.
    Nunavut, Southampton Island, Coral Harbour, Canada
    Image author: Aiken and Brysting ?
    Website: Flora of the Canadian Arctic Archipelago
    Source of original image

  1. Tephroseris palustris subsp. congesta, groundsel
  2. Close-up of young plant. Plant about 5 cm high developing a capulescence of many capitula that are surrounded by reddish involucral bracts. Note very hairy leaves near the inflorescences and almost glabrous leaves at the base of the plants.
    Nunavut, Southampton Island, Coral Harbour, Canada
    Image author: Aiken and Brysting ?
    Website: Flora of the Canadian Arctic Archipelago
    Source of original image

  1. Tephroseris palustris subsp. congesta, groundsel
  2. Flowering capulescence. Surface view of flowering heads that have fully expanded ray florets with ligulate petals, and opening disc florets, some of which show the tips of yellow anthers.
    Nunavut, Rankin Inlet, Canada
    Image author: Aiken and Brysting ?
    Website: Flora of the Canadian Arctic Archipelago
    Source of original image

  1. Tephroseris palustris subsp. congesta, groundsel
  2. Plant habitat. Plants growing in a sheltered gully.
    7/27/1981 North West Territory, Banks Island, Sachs Harbour, Canada
    Image author: J.M. Gillett ?
    Website: Flora of the Canadian Arctic Archipelago
    Source of original image

  1. Tephroseris palustris subsp. congesta, groundsel
  2. Image author: David F. Murray ©
    Website: University of Alaska Museum of the North, Herbarium
    Source of original image