Lamiaceae

Taperleaf water horehound

Lycopus rubellus Moench

Family: Lamiaceae
Genus: Lycopus

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Taperleaf water horehound (Lycopus rubellus) — FlowerPhoto: Alex Abair, CC BY 4.0, from iNaturalist

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Common names

By language (1)

English: Taperleaf water horehound

Synonyms

Lycopus arkansanus Fresen.
Lycopus obtusifolius Michx. ex Vahl
Lycopus rubellus var. arkansanus (Fresen.) Benner
Lycopus rubellus var. lanceolatus Benner
Lycopus rubellus var. velutinus (Rydb.) Benner
Lycopus velutinus Rydb.

Flowers

In flower: September to November (from 68 flowering iNaturalist observations worldwide)

Characteristics

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

Photos

FlowerPhoto: Alex Abair, CC BY 4.0, from iNaturalist
FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist
FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist
FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist
Photo: Tom and T Herman, CC BY 4.0, from Wikimedia Commons
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
Photo: Ryan Sorrells, CC BY 4.0, from iNaturalist
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
Photo: Ryan Sorrells, CC BY 4.0, from iNaturalist
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons

More in Lycopus

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.