|Scientific Name||Alyssum simplex||USDA PLANTS Symbol||ALSI8|
|Common Name||Wild Alyssum, European Madwort||ITIS Taxonomic Serial No.||823027|
Life zones and habitat: Plains to montane (4400 to 9500 ft.); dryer areas in fields, hillsides, roadsides and disturbed areas.
Plant: Erect, hairy annual, 2 to 13 inches tall; single or several stems from base; plant covered with short, grey-white stellate (star-shaped) hairs.
Leaves: Stem leaves 3/8 to 1-1/8 inches long, gradually smaller upward, oblanceolate to elliptic-lanceolate.
Inflorescence: Elongated cluster of tiny pale yellow flowers along the upper few inches of the stem; four oblanceolate petals notched at tips; four oblong, green or reddish sepals covered by star-shaped hairs.
Bloom Period: April to June.
Fruit: Round, somewhat flattened green disks about 1/4-inch in diameter or less, covered with star-shaped hairs.
References: "Flora of Colorado" by Jennifer Ackerfield, American Southwest and Flora of North America.
|BONAP Distribution Map
Map Color Key
© Tom Lebsack 2022
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County