Plant of the day: coastal gumweed

Masses of yellow flowers are blooming beside the lagoon. Bees swarm over the blossoms, rummaging for pollen in their daisy-like centers. Nearby, white goo that looks like Elmer’s glue coats the younger, unopened buds. The green bracts surrounding the petals are fleshy spikes, curved strongly backward.

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This is coastal gumweed, or Grindelia stricta. The species is highly variable, growing either upright to about waist height, or prostrate along the ground. You can find it along the Pacific coast from Los Angeles to Washington state. The erect version shown above (Grindelia stricta var. angustifolia) was photographed at the Bolinas Lagoon; it’s usually found in salt marshes. This is the only local species of Grindelia to have woody stems so it is easy to tell apart from other gumweeds. Other names for this species include Oregon gumweed and marsh gum plant.

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