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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 ampullaceus (Texas ragwort)
Carr, Bill

Senecio ampullaceus

Senecio ampullaceus Hook.

Texas Ragwort, Texas Groundsel, Texas Butterweed

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: seam2

USDA Native Status: L48 (N)

This plant grows 1-2 feet tall. Leaves clasp the stem and are 1-3 inches long, with 1 main vein down the center. The yellow flower heads are on stems growing out of the leaf axils near the top of the plant, with 2-4 blossoms on each stem, 1-1 1/4 inches across. There are 7-9 ray flowers per flower head (248).

 

From the Image Gallery

19 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Size Notes: Up to about 30 inches tall, often shorter.
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: Mar , Apr

Distribution

USA: MO , TX

Benefit

Warning: Considered toxic to livestock.
Deer Resistant: Moderate

From the National Organizations Directory

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

Stengl Biological Research Station - Smithville, TX

Herbarium Specimen(s)

NPSOT 1125 Collected Mar 9, 1995 in Bexar County by Harry Cliffe

1 specimen(s) available in the Digital Herbarium

Bibliography

Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. Loughmiller
Bibref 328 - Wildflowers of Texas (2003) Ajilvsgi, Geyata.
Bibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.

Search More Titles in Bibliography

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

Metadata

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

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