Loasaceae

Bractless blazingstar

Mentzelia nuda (Pursh) Torr. & A.Gray

Family: Loasaceae
Genus: Mentzelia

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Bractless blazingstar (Mentzelia nuda) — FlowerPhoto: ashleyrsteel, CC BY 4.0, from iNaturalist

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Common names

By language (2)

English: Bractless blazingstar, Sand lily
nv: Chʼįʼhalchin

Synonyms

Bartonia nuda Pursh
Hesperaster nudus (Pursh) Cockerell
Hesperaster stictus Osterh.
Hesperaster strictus Osterh.
Mentzelia nuda var. integrifolia Kuntze
Mentzelia nuda var. stricta (Osterh.) H.D.Harr.
Mentzelia nuda var. subpinnatifida Kuntze
Mentzelia stricta (Osterh.) G.W.Stevens
Nuttallia nuda (Pursh) Greene
Nuttallia stricta (Osterh.) Greene
Torreya nuda (Pursh) Eaton
Touterea stricta (Osterh.) Rydb.

Flowers

In flower: July to September (from 77 flowering iNaturalist observations worldwide)

Characteristics

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

Photos

FlowerPhoto: ashleyrsteel, CC BY 4.0, from iNaturalist
FlowerPhoto: Jo Roberts, CC BY 4.0, from iNaturalist
FlowerPhoto: Michelle W. （鍾偉瑋）, CC BY 4.0, from iNaturalist
FlowerPhoto: Melissa McMasters, CC BY 4.0, from iNaturalist
Photo: Ian D. Medeiros, CC BY 4.0, from Wikimedia Commons
Photo: Annika Lindqvist, CC BY 4.0, from iNaturalist
Photo: Nathan Aaron, CC BY 4.0, from iNaturalist
Photo: sonnia hill, CC BY 2.0, from Wikimedia Commons
Photo: Eric Watts, CC BY 4.0, from iNaturalist
Photo: sonnia hill, CC BY 2.0, from Wikimedia Commons
Photo: Sam Kieschnick, CC BY 4.0, from iNaturalist
Photo: sonnia hill, CC BY 2.0, from Wikimedia Commons

More in Mentzelia

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.