Hedysarum coronarium is a perennial herb cultivated primarily for fodder, hay and honey production. Native to Malta, Algeria, Morocco, Tunisia, southern Italy and Spain, it suits open, sunny locations. It prefers full sun and well-drained soil and tolerates dry to medium soil moisture. Flowering occurs from June to August.

Sulla (Hedysarum coronarium) is a perennial herb grown for fodder, hay and honey production, preferring full sun and well-drained soil.

https://en.wikipedia.org/wiki/Sulla_coronaria

Hedysarum coronarium

Sulla | Hedysarum coronarium

Hedysarum macedonicum is a species in the genus Hedysarum within the Fabaceae family. It flowers in the UK from June to August. Identification hinges on belonging to the Hedysarum group of legumes. Growers should confirm cultivar details with suppliers before planting.

Hedysarum macedonicum flowers in the UK from June to August and is a member of the genus Hedysarum in the Fabaceae family.

Hedysarum (sweetvetch) is a genus of the botanical family Fabaceae, consisting of about 200 species of annual or perennial herbs found in Asia, Europe, North Africa, and North America.

Hedysarum macedonicum

Sweetvetch | Hedysarum macedonicum

Hedysarum microcalyx is a member of the genus Hedysarum in the pea family and produces the genus’s characteristic odd-pinnate leaves with entire leaflets. It bears pea-type flowers in racemes or heads and flowers in the UK from June to August. Petal colours across the genus range from pink and purplish to yellow or whitish. Fruit develops as a lomentum that breaks into single-seeded segments when ripe.

Hedysarum microcalyx (sweetvetch) bears odd-pinnate leaves and pea-type flowers June–August, with petals ranging from pink and purplish to yellow or.

Hedysarum microcalyx

Sweetvetch | Hedysarum microcalyx

Hedysarum multijugum is a member of the Hedysarum group, a set of herbs or deciduous shrubs noted for odd-pinnate leaves whose entire leaflets resemble those of sweet peas. It bears peduncled racemes or heads of pea-type flowers that appear in the UK from June to August. Petals in the genus range from pink and purplish to yellow or whitish, and the flowers have diadelphous stamens (9+1). The fruit is a lomentum that breaks into single-seeded segments on ripening.

Hedysarum multijugum is a Hedysarum species with pea-like flowers from June to August and lomentous fruit that splits into single-seeded segments.