''Trachystemon'' is a genus of
flowering plants belonging to the family
Boraginaceae.
Its native range is Bulgaria to Turkey.
It is a monotypic genus, with the only member being ''Trachystemon orientalis''
(L.) D.Don.
Trachystemon orientalis
''Trachystemon orientale'', commonly known as Abraham-Isaac-Jacob or early-flowering borage, is a
perennial herb
In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...
of the family
Boraginaceae. Native to eastern
Europe, it is frequently grown as an ornamental for its early blue-violet flowers and large leaves. It quickly spreads to provide a dense
groundcover
Groundcover or ground cover is any plant that grows over an area of ground. Groundcover provides protection of the topsoil from erosion and drought.
In an ecosystem, the ground cover forms the layer of vegetation below the shrub layer known as t ...
. 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.
The name can also refer to several related plants, such as
species of ''
Pulmonaria''.
References
External links
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{{Taxonbar, from=Q3536286
Boraginoideae
Boraginaceae genera
Monotypic asterid genera