Vicia menziesii NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.
ITIS Reports — ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.
FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. 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.Hawaiian vetch, Vicia menziesii, is a perennial, climbing vine with extensive lateral branching stems that have been reported to reach lengths of 66 ft (20 m). An individual plant can bear more than 200 flowers in 30-40 discrete flowerheads.