Plantaginaceae

Horsefly's eye

Dopatrium junceum (Roxb.) Buch.-Ham. ex Benth.

Family: Plantaginaceae
Genus: Dopatrium

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Horsefly's eye: Dopatrium junceum — Photo: Vinayaraj, CC BY-SA 3.0, from Wikimedia Commons

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Common names

By language (3)

Chinese: 虻眼, 虻眼草, 日本虻眼
English: Horsefly's eye, Rushlike dopatrium
Korean: 등에풀

Synonyms

Cyrtandra aristata Blanco
Didymocarpus aristatus (Blanco) Fern.-Vill.
Dopatrium aristatum (Blanco) Hassk.
Dopatrium japonicum Franch. & Sav.
Gratiola juncea Roxb.
Morgania juncea (Roxb.) Spreng.

Flowers

In flower: July to October (from 48 flowering iNaturalist observations worldwide)

Characteristics

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

Photos

Photo: Vinayaraj, CC BY-SA 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Forest and Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: V C Balakrishnan, CC BY-SA 4.0, from Wikimedia Commons
Photo: V C Balakrishnan, CC BY-SA 4.0, from Wikimedia Commons
Photo: V C Balakrishnan, CC BY-SA 4.0, from Wikimedia Commons
Photo: Nativeplants garden, CC BY-SA 4.0, from Wikimedia Commons
Photo: Nativeplants garden, CC BY-SA 4.0, from Wikimedia Commons
Photo: Nativeplants garden, CC BY-SA 4.0, from Wikimedia Commons

More in Dopatrium

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.