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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Sesbania tomentosa (Oahu riverhemp)
Cressler, Alan

Sesbania tomentosa

Sesbania tomentosa Hook. & Arn.

Oahu Riverhemp

Fabaceae (Pea Family)

Synonym(s): Sesbania arborea, Sesbania hawaiiensis, Sesbania hobdyi, Sesbania tomentosa var. molokaiensis

USDA Symbol: SETO3

USDA Native Status: HI (N), PR (I)

Endemic to the Hawaiian Islands.


From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Shrub , Tree
Fruit Type: Legume
Size Notes: Typically growing as a mounding plant, this species sometimes grows as a small tree to 15 feet in height.

Bloom Information

Bloom Color: Red , Orange , Yellow
Bloom Time: Jan , Feb , Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov , Dec



U.S. Fish & Wildlife Service Threatened & Endangered Status

USFWS Species Profile: Q2IM
Status: Endangered
Historic Range: U.S.A. (HI)
Critical Habitat: 17.96(a)
Special Rules: N/A
This information is derived from the U.S. Fish & Wildlife Serrvice Environmental Conservation Online System.

Additional resources

USDA: Find Sesbania tomentosa in USDA Plants
FNA: Find Sesbania tomentosa in the Flora of North America (if available)
Google: Search Google for Sesbania tomentosa


Record Modified: 2015-05-08
Research By: Joseph A. Marcus

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