What flower is that?

Curly-top Gumweed, TarweedCurly-top Gumweed flowerCurly-top Gumweed bracts

Photos at left and upper right © Francis R. Underwood 2018
Photo lower right: Franz Xaver [CC BY-SA 3.0  (https://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], from Wikimedia Commons


The mystery plant for October is a sticky-stemmed, 1-2 (3) feet tall perennial not native to RI. The leaves are rather small, punctate and finely toothed. The flowers have bright yellow rays and also yellow discoid flowers. The floral bracts are strongly recurved. In RI this plant grows in waste areas and also on the sandy shoreline of the Providence River well above the high tide line. Despite the sticky stems this plant is quite attractive when in bloom. This plant blooms from July through September.

It’s…

Botanical Name:
  Grindelia squarrosa
Common Name:
  Curly-top Gumweed, Tarweed
Family:
  Asteraceae ( Aster Family)
Habitat:
  Wasteland and sandy shoreline

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