Onosma

Onosma
Onosma simplicissima ssp. volgensis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Boraginales
Family: Boraginaceae
Subfamily: Boraginoideae
Genus: Onosma
L.
Type species
Onosma echioides
Species

235; see text

Synonyms
  • Choriantha Riedl (1961)
  • Colsmannia Lehm. (1814)
  • Sava Adans. (1763)

Onosma is a genus of flowering plants in the family Boraginaceae. They are native to the Mediterranean and western Asia. They grow in dry, sunny habitats with rocky, sandy substrates. Some are popular as rock garden plants.

Estimates of the number of species in the genus range from about 85 or 88 to 150. As of July 2024 Plants of the World Online accepts 235 species. The systematics are unclear and the group is in need of study and revision.