Polemoniaceae

Slender phlox

Microsteris gracilis (Hook.) Greene

Family: Polemoniaceae
Genus: Microsteris

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Slender phlox (Microsteris gracilis) — FlowerPhoto: Ariadna Tripaldi, CC BY 4.0, from iNaturalist

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Common names

By language (1)

English: Slender phlox

Synonyms

Collomia gracilis (Hook.) Douglas ex Benth.
Collomia gracilis var. andicola Wedd.
Eutoca gracilis Griseb. ex Brand
Gilia gracilis Hook.
Gilia gracilis subsp. gracilis
Gilia gracilis var. glabella Brand
Microsteris gracilis subsp. gracilis
Navarretia gracilis (Hook.) Kuntze
Phlox gracilis (Hook.) Greene
Polemonium morenonis Kuntze

Characteristics

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

Photos

FlowerPhoto: Ariadna Tripaldi, CC BY 4.0, from iNaturalist
FlowerPhoto: Justin Paulin, CC BY 4.0, from iNaturalist
FlowerPhoto: Cricket Raspet, CC BY 4.0, from iNaturalist
FlowerPhoto: Matt Berger, CC BY 4.0, from iNaturalist
Photo: Nicolás Villaseca Merino, CC BY-SA 4.0, from Wikimedia Commons
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Thayne Tuason, CC BY-SA 4.0, from Wikimedia Commons
Photo: Thayne Tuason, CC BY-SA 4.0, from Wikimedia Commons
Photo: Jim Morefield from Nevada, USA, CC BY-SA 2.0, from Wikimedia Commons

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.