Desert madwort

Alyssum desertorum

"Alyssum desertorum" is a species of flowering plant in the mustard family. It is native to Europe and Asia, and it is found in parts of western North America as an introduced species and sometimes a weed.
desert alyssum introduced Alyssum desertorum,Geotagged,Spring,United States

Appearance

This is a hairy annual herb producing upright stems up to about 20 centimeters tall. It produces small yellowish flowers and round, notched fruits a few millimeters long. The seeds are winged and have embryonic roots.

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderBrassicales
FamilyBrassicaceae
GenusAlyssum
SpeciesA. desertorum