Acanthaceae
Looseflower water-willow
Justicia lanceolata
- Family
- Acanthaceae
- Genus
- Justicia
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Common names
By language (1)
- English
- Looseflower water-willow
Synonyms
- Dianthera lanceolata (Chapm.) Small
- Dianthera ovata var. lanceolata Chapm.
- Justicia humilis var. lanceolata (Chapm.) Gleason
- Justicia ovata var. lanceolata (Chapm.) R.W.Long
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos

Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons
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Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0); popularity from Wikidata (2026-10-26, CC0 1.0). About our plant data.