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§1 Plant

Thunbergia grandiflora Roxb.

vernacular Bengal trumpet — species · Acanthaceae

USDA
THGR3
GBIF
5415456
Rank
species
Bengal trumpet (Thunbergia grandiflora)
Platephotograph · Andy Pearce 🕊CC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Vine
Duration
Perennial
Group
Dicot
Family
Acanthaceae Juss.
Genus
Thunbergia
§2a

Native status, by region

  • HI Hawaii Introduced
  • L48 Lower 48 States Introduced
  • PR Puerto Rico Introduced
§2b

County-level range

· 2 counties across 1 state
Legend Native · 0 Introduced · 2 Both · 0 Hover a county for detail.

§3Cultivation

No cultivation specs.

USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.

§4Counties, by state

Recorded in 2 counties across 1 state.

Florida view state ↗ 2 I ▾

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/THGR3 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/5415456 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T12:30:10Z