Orobanchaceae

Ridgestem false foxglove

Agalinis oligophylla Pennell

Family: Orobanchaceae
Genus: Agalinis

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Ridgestem false foxglove (Agalinis oligophylla) — FlowerPhoto: Will McFarland, CC BY 4.0, from iNaturalist

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Common names

By language (1)

English: Ridgestem false foxglove

Synonyms

Gerardia aphylla var. grandiflora Benth.
Gerardia microphylla Small

Flowers

In flower: September to October (from 5 flowering iNaturalist observations worldwide)

Characteristics

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

Photos

FlowerPhoto: Will McFarland, CC BY 4.0, from iNaturalist
Photo: John Kees, CC0, from iNaturalist
Photo: sonnia hill, CC BY 2.0, from Wikimedia Commons
Photo: Brian Finzel, CC BY-SA 4.0, from iNaturalist
Photo: John Kees, CC0, from iNaturalist
Photo: John Kees, CC0, from iNaturalist
Photo: sblumen, CC BY 4.0, from iNaturalist
Photo: sblumen, CC BY 4.0, from iNaturalist
Photo: Sam Kieschnick, CC BY 4.0, from iNaturalist
Photo: sblumen, CC BY 4.0, from iNaturalist
Photo: Brian Finzel, CC BY-SA 4.0, from iNaturalist

More in Agalinis

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.