About Isocoma tenuisecta Greene
Nomenclature and Taxonomy
Isocoma tenuisecta, commonly known as burroweed, shrine jimmyweed, or burrow goldenweed, is a North American species of small flowering perennial herb in the family Asteraceae.
Native Range
It is native to Arizona, New Mexico, and Sonora.
Height
This plant grows 30 to 90 centimeters (1 to 3 feet) tall.
Leaf Characteristics
Its leaves are narrowly lance-shaped, with numerous large teeth or small lobes along the edges, and are glandular.
Flowering Period and Inflorescence
Isocoma tenuisecta flowers from September through November, producing clusters of flower heads at the ends of branches and at the top of the main stem.
Flower Head Structure
Each flower head contains 8 to 15 yellow disc flowers and no ray flowers.
Post-Dispersal Flower Head Trait
After the achenes are dispersed, old dried tan flower heads remain attached to the plant.
Toxicity
Burroweed is poisonous to mammals, including cattle, and cattle can pass this poison to humans through their milk.
