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Plants › Sunflowers, Daisies, Asters, and Allies

Hooker's Thistle

Cirsium hookerianum

Learn Hooker's Thistle freeHow it works
Wildlife study photograph from iNaturalist.
(c) sueseh, some rights reserved (CC BY-NC)

28 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

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Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in British Columbia.January 59, February 54, March 84, April 99, May 153, June 133, July 197, August 94, September 83, October 66, November 53, December 53.
Canada1,980
British Columbia1,036
Alberta929
United States749
Alaska378
Nunavut170
Idaho157
Washington33
Wyoming8
Colorado1

Counts show where people looked, not only where it lives.

Traits

Group and habits

  • Forb or herb growth formListed by a harvested source as having a forb or herbaceous growth form.USDA PLANTS Characteristics
  • Perennial plantListed by a harvested source as having a perennial life duration.USDA PLANTS Characteristics
  • Pollinator-associated plantDescends from a plant lineage commonly associated with pollinators.Inferred from its group

Classification

KingdomPlants · Plantae
PhylumVascular Plants · Tracheophyta
ClassDicots · Magnoliopsida
OrderSunflowers, Bellflowers, Fanflowers, and Allies · Asterales
FamilySunflowers, Daisies, Asters, and Allies · Asteraceae
GenusPlume Thistles · Cirsium

Sources

Remember the name next time.

Practise Hooker's Thistle with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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