|Scientific Name||Descurainia incana||USDA PLANTS Symbol||DEIN5|
|Common Name||Mountain Tansy-mustard||ITIS Taxonomic Serial No.||502003|
Life zones and habitat: Foothills to subalpine (5300 to 11500 ft.); gravelly areas, grassy slopes, steep rocky slopes, roadsides, disturbed sites, meadows, prairies.
Plant: Erect biennial 10 to 48 inches tall; thin, leafy stem, smooth or slightly hairy, not glandular, with branches above.
Leaves: Deeply-lobed (pinnatifid) leaves, stem leaves alternate; lobes linear to oblong or narrowly lanceolate.
Inflorescence: Custers of flowers in racemes at leaf nodes and top of stem; compact but becoming elongated at fruiting; small flowers with four yellow sepals and four yellow petals, all less than 1/10 inch long.
Bloom Period: May to August.
Fruit: About 3/8-inch long or less, erect and appressed (hugging the stem), slightly torulose and attached by stalks about the same length.
References: "Flora of Colorado" by Jennifer Ackerfield, SEINet and American Southwest.
|BONAP Distribution Map
© Tom Lebsack 2022
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County