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Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Boraginales
Family: Boraginaceae
Genus: Trachystemon
T. orientale
Binomial name
Trachystemon orientale

Trachystemon is a monotypic genus of flowering plants belonging to the family Boraginaceae.[1] The only species is Trachystemon orientalis, commonly known as Abraham-Isaac-Jacob or early-flowering borage.[1]

Its native range is Bulgaria to Turkey.[1]

It is a perennial herb of the family Boraginaceae. It is frequently grown as an ornamental for its early blue-violet flowers and large leaves. It quickly spreads to provide a dense groundcover. "Trachystemon" is derived from the Greek "trachys", meaning rough, and "stemon", a stamen. The specific epithet, "orientalis" means eastern or from the orient, and is a reference to the native distribution of this species. Trachystemon orientalis is endemic to southeastern Europe and western Asia.[2]


  1. ^ a b c "Trachystemon D.Don | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 12 March 2021.
  2. ^ "Trachystemon orientalis - Plant Finder". www.missouribotanicalgarden.org. Retrieved 31 March 2021.