Dasynotus is a monotypic genus of flowering plants belonging to the family Boraginaceae; it only contains one known species, Dasynotus daubenmirei I.M.Johnst.. It has the common name Daubenmire's dasynotus. It is threatened by fire suppression.
Taxonomy The Latin specific epithet of daubenmirei is in honour of Rexford F. Daubenmire (1909—1995), an American ecologist that went to the University of Minnesota, where he was taught by William Skinner Cooper (1884–1978), among his fellow students at Minnesota were Henry J. Oosting, Murray Fife Buell and Frank Edwin Egler.
The genus and species were circumscribed by Ivan Murray Johnston in J. Arnold Arbor. vol.29 on page 233 in 1948.
Description 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).
Distribution This species is endemic to northern Idaho in the United States. It occurs in Clearwater National Forest.
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