Vicia unijuga A.Braun

Common Name and Classification

Vicia unijuga, commonly known as two-leaf vetch, is a species of flowering plant belonging to the legume family.

Native Range

It is native to eastern Asia, where it has a widespread range across China, Korea, Mongolia, Japan, and Russia.

Regional Abundance

It is very common in both China and Japan, and may be the most widespread Vicia species in China.

Habitat

It grows in a wide variety of forested and open habitats.

Life Cycle and Flowering

It is a perennial plant that produces purple flowers from summer through fall.

Morphological Variation

This species shows a large amount of morphological variation, and several distinct forms and varieties have been formally named.

Taxonomic History

Historically, the similar-looking species Vicia ohwiana was classified within Vicia unijuga, but Vicia ohwiana is now recognized as a separate full species.