SimplePlant

Asteraceae

Mountain tarweed

Madia glomerata Hook.

Family
Asteraceae
Genus
Madia

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Mountain tarweed: The flowering heads comprise very few ray and disk flowers, and the involucral bracts clasp individual flowers in a head.
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons

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Common names

By language (1)
English
Mountain tarweed

Synonyms

  • Amida gracilis Nutt.
  • Amida hirsuta Nutt.
  • Madia glomerata var. glomerata
  • Madia glomerata var. ramosa (Piper) Jeps.
  • Madia ramosa Piper

Characteristics

Growth habit
Forb/herb
Lifespan
Annual
In the US and Canada
Alaska: introduced, Canada: native, Lower 48 states: native

Photos

More in Madia

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.