Hawaii's Most Invasive Horticultural Plants

   
Bengal trumpet
Thunbergia grandiflora

(Photo credit: Walter Hodge, from Atlas of Florida Vascular Plants; used with permission)


Other names:blue trumpet vine, large-flowered thunbergia
Description: Liana with opposite 4-8" triangular-shaped leaves, 2-3" blue or white flowers lacking a yellow throat, and 1/2-1" beaked capsules.
Risk areas: Moist areas at low elevations.

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