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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Senecio flaccidus (Threadleaf ragwort)
Schwartzman, Steven

Senecio flaccidus

Senecio flaccidus Less.

Threadleaf Ragwort, Threadleaf Groundsel

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: SEFL3

USDA Native Status: L48 (N)

A bluish-green, bushy, leafy plant covered with close white wool, bearing yellow flower heads in branched clusters.

This plant was once used medicinally by southwestern peoples.

 

From the Image Gallery

23 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Subshrub
Size Notes: Up to about 4 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: May flower year-round with optimal conditions.

Distribution

USA: AZ , CA , CO , KS , NM , NV , OK , TX , UT
Native Distribution: S. Colorado and Utah to Arizona, Texas, and Mexico.
Native Habitat: Dry rocky plains, deserts, and pinyon-juniper rangeland.

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Native Seed Network - Corvallis, OR

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Senecio flaccidus in USDA Plants
FNA: Find Senecio flaccidus in the Flora of North America (if available)
Google: Search Google for Senecio flaccidus

Metadata

Record Modified: 2023-01-13
Research By: TWC Staff

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