Orobanchaceae
Tall false foxglove
Agalinis aspera
- Family
- Orobanchaceae
- Genus
- Agalinis
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Common names
By language (1)
- English
- Tall false foxglove
Synonyms
- Agalinis greenei Lunell
- Agalinis longifolia Raf.
- Aureolaria aspera (Douglas ex Benth.) Farw.
- Gerardia aspera Douglas ex Benth.
Flowers
- In flower
- August (from 53 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos

FlowerPhoto: Chris Friesen, CC BY 4.0, from iNaturalist 
FlowerPhoto: Chris Friesen, CC BY 4.0, from iNaturalist 
FlowerPhoto: Chris Friesen, CC BY 4.0, from iNaturalist 
FlowerPhoto: Chris Friesen, CC BY 4.0, from iNaturalist 
FlowerPhoto: Karli Cich, CC BY 4.0, from iNaturalist 
Photo: tschro, CC0, from iNaturalist 
Photo: tschro, CC0, from iNaturalist 
Photo: Michael A. Thaibinh, CC BY 4.0, from iNaturalist 
Photo: Brandon Corder, CC BY 4.0, from iNaturalist 
Photo: Ethan Rose, CC BY 4.0, from iNaturalist 
Photo: Thomas Koffel, CC BY 4.0, from iNaturalist 
Photo: Laurel Meredyk, CC BY 4.0, from iNaturalist
More in Agalinis
- Flaxleaf false foxgloveAgalinis linifoliaOrobanchaceae
- Earleaf false foxgloveAgalinis auriculataOrobanchaceae
- Sandplain false foxgloveAgalinis decemlobaOrobanchaceae
- Beach false foxgloveAgalinis fasciculataOrobanchaceae
- Seminole false foxgloveAgalinis filifoliaOrobanchaceae
- Roundstem false foxgloveAgalinis gattingeriOrobanchaceae
- Prairie false foxgloveAgalinis heterophyllaOrobanchaceae
- Saltmarsh false foxgloveAgalinis maritimaOrobanchaceae
- Tenlobe false foxgloveAgalinis obtusifoliaOrobanchaceae
- Purple false foxgloveAgalinis purpureaOrobanchaceae
- Skinner's false foxgloveAgalinis skinnerianaOrobanchaceae
- Slenderleaf false foxgloveAgalinis tenuifoliaOrobanchaceae
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.