Onosma sect. Onosma subsect. Asterotricha (Boiss.) Gürke

DIAGNOSIS. — The basal leaves of these species have stellate hairy setae tubercles, consisting of numerous oblong or rounded cells arranged in one, two, or three series. The number and length of hairs on the tubercles vary widely in length and density and may exhibit regular or irregular patterns. These characters, along with other vegetative and reproductive traits, are highly important in species delimitation.