Two-Rowed Stickseed/Bluebur

Lappula squarrosa

Summary 4

Lappula squarrosa is a species of flowering plant in the borage family known by several common names, including European stickseed, bur forget-me-not, bluebur, and bristly sheepbur. It is native to Europe and Asia, where it is common, and it is an introduced species in much of North America and Africa. It is well known as a noxious weed where it is naturalized and also in many parts of its native range.

Observations in Banff National Park 5

When are they blooming in Banff National Park? Late June at the earliest. Full bloom usually between mid-July and early August. Bloom/seeding continuing on until mid September.

Sources and Credits

  1. (c) Matt Lavin, some rights reserved (CC BY),
  2. (c) Robert Flogaus-Faust, some rights reserved (CC BY),
  3. (c) Matt Lavin, some rights reserved (CC BY),
  4. Adapted by metallyza from a work by (c) Wikipedia, some rights reserved (CC BY-SA),
  5. (c) metallyza, some rights reserved (CC BY-SA)

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