Acanthaceae
Gregg's tube tongue
Justicia pilosella
- Family
- Acanthaceae
- Genus
- Justicia
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Common names
By language (1)
- English
- Gregg's tube tongue, Turner's water-willow
Synonyms
- Adhatoda dipteracantha Nees
- Dipteracanthus procumbens Nees
- Justicia turneri Hilsenb.
- Monechma pilosella Nees
- Siphonoglossa dipteracantha (Nees) A.Heller
- Siphonoglossa greggii Greenm. & C.H.Thomps.
- Siphonoglossa pilosella (Nees) Torr.
Characteristics
- Growth habit
- Forb/herb, Subshrub
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos

Photo: iNaturalist user: seekingtrees, CC0, from Wikimedia Commons
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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.