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Senecio ampullaceus Hook.
Texas Ragwort, Texas Groundsel, Texas Butterweed
Asteraceae (Aster Family)
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
Plant CharacteristicsDuration: Annual
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 InformationBloom Color: Yellow
Bloom Time: Mar , Apr
DistributionUSA: MO , TX
BenefitWarning: Considered toxic to livestock.
Deer Resistant: Moderate
From the National Organizations DirectoryAccording 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
BibliographyBibref 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 ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resourcesUSDA: Find Senecio ampullaceus in USDA Plants
FNA: Find Senecio ampullaceus in the Flora of North America (if available)
Google: Search Google for Senecio ampullaceus
MetadataRecord Modified: 2023-01-13
Research By: TWC Staff