Tall western groundsel

Quick look

Senecio integerrimus is a species of flowering plant in the aster family known by the common names lambstongue ragwort and tall western groundsel. It is native to western and central North America, where it grows in grassland, forest, and other habitat. It is a biennial or perennial herb producing one or a few erect stems 20 to 70 centimeters tall from a caudex with fleshy shallow roots.

• It belongs to the Asteraceae family. ^iNaturalist
• USDA PLANTS describes it as an herb (forb) with a biennial, perennial life cycle. ^{USDA PLANTS}
• USDA PLANTS lists it as native in the lower 48 states and records it in 16 states. ^{USDA PLANTS}
• NatureServe lists it as native to Colorado. ^NatureServe
• In Colorado, most iNaturalist sightings of it in flower come in April–June. ^iNaturalist
• USDA PLANTS lists its flower color as yellow. ^{USDA PLANTS}
• USDA PLANTS gives its bloom period as mid spring. ^{USDA PLANTS}
• USDA PLANTS lists a mature height of about 1.1 ft. ^{USDA PLANTS}
• iNaturalist has 1,895 research-grade sightings of it in Colorado, ranking #86 among the 110 flowers on our Colorado list. ^iNaturalist