Threadleaf groundsel, Butterweed

Botanical Name Senecio flaccidus, var. flaccidus
Common Name Threadleaf groundsel, Butterweed
Family Asteraceae - Aster
Description White hairs cover all stems and leaves
Mature Size 1' –- 3' tall
Bloom Its flowers are yellow and the seeds are white and fluffy. It blooms April - September or October, being one of the first plants to bloom in the spring.
Interesting Facts All parts of the plant are poisonous, especially tender new growth. Can cause irreparable liver damage. As with many toxic plants, concentration and preparation are critical factors.
Traditional and Medicinal Uses Native Americans knew the above information when they boiled the entire plant and drank it to assist the voice and singing during some ceremonial songs. Navajos also used its flower heads to clean cactus fruits of their spines..

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Santa Fe Botanical Garden
celebrates, cultivates and conserves
the rich botanical heritage and biodiversity of the region.