''Dasynotus'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s belonging to the family

Boraginaceae Boraginaceae, the borage or forget-me-not family, includes about 2,000 species of shrubs, trees and herbs in 146, to 156 genera with a worldwide distribution. The APG IV system from 2016 classifies the Boraginaceae as single family of the order ...

, it only contains one known species, ''Dasynotus daubenmirei'' I.M.Johnst.. Its native range is north-western USA and it is only found in

Idaho Idaho ( ) is a state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Montana and Wyom ...

. The genus and species were

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every polyg ...

Ivan Murray Johnston I. M. (Ivan Murray) Johnston (February 28, 1898–May 31, 1960), was a United States Botany, botanist. He studied at Pomona College in Claremont, California and at Harvard University. His plant collections are housed in the ''Rancho Santa Ana Bot ...

in J. Arnold Arbor. vol.29 on page 233 in 1948. It has the common name of 'Daubenmire's Dasynotus'. The Latin

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

of ''daubenmirei'' is in honour of Rexford F. Daubenmire (1909—1995), an American ecologist that went to the

University of Minnesota The University of Minnesota, formally the University of Minnesota, Twin Cities, (UMN Twin Cities, the U of M, or Minnesota) is a public university, public Land-grant university, land-grant research university in the Minneapolis–Saint Paul, Tw ...

, where he was taught by

William Skinner Cooper William Skinner Cooper (25 August 1884 – 8 October 1978) was an American ecologist. Cooper received his B.S. in 1906 from Alma College in Michigan. In 1909, he entered graduate school at the University of Chicago, where he studied with Henry Chan ...

(1884–1978), among his fellow students at Minnesota were Henry J. Oosting,

Murray Fife Buell Murray Fife Buell (October 5, 1905 – July 3, 1975) was an American ecologist and palynologist. Personal life Born in New Haven, Connecticut, Buell earned a B.S. at Cornell University in 1930. He then attended the University of Minnesota, where h ...

and Frank Edwin Egler. ''Dasynotus'' has a unique morphology, when compared to other species of the Boraginaceae family, as it has large white salverform (composed of united petals forming a tube that spreads at the open end) corollas with long horn-like faucal appendages and large nutlets covered with sparse trichomes (hairs).

References

{{Taxonbar, from=Q8354008 Boraginaceae Boraginaceae genera Flora of Idaho Garden plants of North America Plants described in 1948 Monotypic Boraginales genera