|Scientific Name||Delphinium nuttallianum||USDA PLANTS Symbol||DENU2|
|Common Name||Nuttall's Larkspur, Two-lobed Larkspur||ITIS Taxonomic Serial No.||18483|
Life zones and habitat: Foothills and montane (5500 to 10800 ft.); meadows, open woodlands, sagebrush slopes.
Plant: Erect perennial with unbranched stems 4 to 16 inches tall, in colonies.
Leaves: Basal and alternate lower stem leaves round in outline, deeply palmately-cleft into 5 to 12 segments that are further divided into narrowly-oblong or linear lobes.
Inflorescence: Raceme of 4 to 18 (or more) blossoms, bluish-purple sepals and petals, rarely white (as in photos below) or pink; upper sepal has spur ~5/8-inch long extending rearward.
Bloom Period: April to July.
References: "Flora of Colorado" by Jennifer Ackerfield, American Southwest and SEINet.
|BONAP Distribution Map
© Tom Lebsack 2022
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County