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Hawai'i vetch

Vicia menziesii

Also called Hawaiian Vetch, Hawaiian Wild Broad Bean

Hawai'i vetch
Photo: Lemoureux, C. Publisher: U.S. Fish and Wildlife Service, Public domain

Hawaiian vetch (Vicia menziesii) is a rare, federally endangered climbing legume endemic to the island of Hawai'i, where it grows as a liana scrambling into trees. It is a wild native rather than a common garden plant, so it is seldom grown outside conservation collections.

Family
Fabaceae (Pea & bean family)
Grows as
Tree, Climber
Light
Part shade
Water
Keep the soil evenly moist during the growing season and let the top layer dry slightly between waterings.
Soil
Well-drained, fertile soil or a loam-based mix with added organic matter.
Temperature
15–25 °C; protect below 5 °C
How easy
Hard
Native range
Hawaiian Is. (Hawaiʻi)
Climate
wet tropical

About

Vicia menziesii is a rare species of flowering plant in the legume family known by the common name Hawaiian vetch. It is endemic to Hawaii, where it is known only from the island of Hawaii. It is threatened by habitat loss and exotic plants. It has been federally listed as an endangered species of the United States since 1978. It was the first Hawaiian plant to be placed on the Endangered Species List.

This plant is a liana which climbs into the surrounding trees, reaching a maximum length of 20 meters. A study found the average length of the vine to be 2.6 meters, with a maximum of 12.5 meters in the sample. The vine also branches and climbs in different directions. It may spread along the ground or over detritus for a few meters before climbing upward, but plants were observed climbing 8 meters up into the canopy.

Other Vicia plants

Lentil · American vetch · Cheder Ebs · Vicia anatolica · Vicia andicola · Reddish tufted vetch · Biennial Vetch · Bithynian vetch · Vicia canescens · Carolina vetch · Kashubian vetch · Bird vetch

Text excerpted from the Wikipedia article Vicia menziesii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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