Orobanchaceae

Hairy Indian paintbrush

Castilleja tenuis (A.Heller) T.I.Chuang & Heckard

Family: Orobanchaceae
Genus: Castilleja

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Hairy Indian paintbrush (Castilleja tenuis) — FlowerPhoto: Abby Hyde, CC BY 4.0, from iNaturalist

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Common names

By language (1)

English: Hairy Indian paintbrush

Synonyms

Orthocarpus falcatus Eastw.
Orthocarpus hispidus Benth.
Orthocarpus hispidus var. tenuis (A.Heller) J.F.Macbr. & Payson
Orthocarpus rarior Suksd.
Orthocarpus tenuis A.Heller
Triphysaria hispida (Benth.) Rydb.

Flowers

In flower: May to July (from 132 flowering iNaturalist observations worldwide)

Characteristics

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

Photos

FlowerPhoto: Abby Hyde, CC BY 4.0, from iNaturalist
FlowerPhoto: Steve Matson, CC BY 4.0, from iNaturalist
FlowerPhoto: Diego Blanco, CC0, from iNaturalist
FlowerPhoto: Alex Abair, CC BY 4.0, from iNaturalist
Photo: tomhilton, CC BY 2.0, from Wikimedia Commons
Photo: Kate Manning, CC0, from iNaturalist
Photo: Thayne Tuason, CC BY-SA 4.0, from Wikimedia Commons
Photo: Edward Cope, CC0, from iNaturalist
Photo: Thayne Tuason, CC BY-SA 4.0, from Wikimedia Commons
Photo: Dominic Gentilcore, CC BY 4.0, from iNaturalist
Photo: Eric Hunt, CC BY-SA 4.0, from Wikimedia Commons
Photo: Steve Matson, CC BY 4.0, from iNaturalist

More in Castilleja

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.