Asteraceae

Rayless arnica

Arnica discoidea Benth.

Family: Asteraceae
Genus: Arnica

Pet and kid safety: not checked yet. Check pet-safe plants

Rayless arnica (Arnica discoidea) — FlowerPhoto: Mike Butler, CC BY 4.0, from iNaturalist

Is yours looking unwell? Scan your plant — free

Common names

By language (1)

English: Rayless arnica

Synonyms

Arnica alata Rydb.
Arnica cordifolia var. eradiata A.Gray
Arnica denudata var. eradiata (A.Gray) Cronquist
Arnica discoidea var. alata (Rydb.) Cronquist
Arnica discoidea var. discoidea
Arnica discoidea var. eradiata (A.Gray) Cronquist
Arnica falconaria Greene
Arnica grayi A.Heller
Arnica parviflora A.Gray
Arnica parviflora subsp. alata (Rydb.) Maguire
Arnica parviflora subsp. genuina Maguire
Arnica parviflora subsp. parviflora
Arnica sanhedrensis Rydb.

Characteristics

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

Photos

FlowerPhoto: Mike Butler, CC BY 4.0, from iNaturalist
FlowerPhoto: Irene, CC0, from iNaturalist
FlowerPhoto: Scott Loarie, CC0, from iNaturalist
FlowerPhoto: Ken-ichi Ueda, CC BY 4.0, from iNaturalist
FlowerPhoto: Arvel Hernandez, CC BY-SA 4.0, from iNaturalist
FlowerPhoto: Amthinkia, CC0, from iNaturalist
Photo: Alex, CC BY 4.0, from iNaturalist
Photo: Trevor Schalla, CC0, from iNaturalist
Photo: Dominic Gentilcore, CC BY 4.0, from iNaturalist
Photo: Kristen Gregoriev, CC0, from iNaturalist
Photo: Ryan Donnelly, CC BY 4.0, from iNaturalist
Photo: Trevor Schalla, CC0, from iNaturalist

More in Arnica

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.