Plants › Sunflowers, Daisies, Asters, and Allies

San Pedro Matchweed

Xanthocephalum gymnospermoides

Where it is recorded

Records by month in Arizona.January 7, February 6, March 9, April 11, May 10, June 5, July 6, August 17, September 17, October 5, November 5, December 6.
United States133
Arizona86
Texas43
Mexico29
Sonora14
Durango7
New Mexico4
Chihuahua4
Sinaloa2
Guanajuato1

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
  • Annual plantListed by a harvested source as having an annual 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
GenusXanthocephalum

Study it in a deck

Or build your own from the species near you.

Sources

Remember the name next time.

Practise San Pedro Matchweed with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.