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Gymnosperma glutinosum (Gumhead)
Livings, Maggie

Gymnosperma glutinosum

Gymnosperma glutinosum (Spreng.) Less.

Gumhead, Tatalencho

Asteraceae (Aster Family)

Synonym(s): Selloa glutinosa, Xanthocephalum glutinosum


USDA Native Status: L48 (N)

This plant usually grows 2-5 feet tall and branches from the base. The lower part of the stem is woody. Leaves are narrow and sticky, 1-1/2 to 2-1/2 inches long, mixed with clumps of smaller leaves that are both alternate and opposite on the same stem. Flower stems are branched at the end of the main stems, with the yellow flower heads in clusters. Individual heads have 1 or 2 yellow ray flowers about 1/16 inch long, 1-3 disc flowers, and 5-8 bracts.


From the Image Gallery

30 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 6 feet 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: Apr , May , Jun , Jul , Aug , Sep , Oct , Nov , Dec



Herbarium Specimen(s)

NPSOT 0626 Collected Nov 5, 1993 in Bexar County by Mike Fox

1 specimen(s) available in the Digital Herbarium

Wildflower Center Seed Bank

LBJWC-MM-713 Collected 2009-12-16 in Comal County by Lady Bird Johnson Wildflower Center

1 collection(s) available in the Wildflower Center Seed Bank


Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. Loughmiller
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 Gymnosperma glutinosum in USDA Plants
FNA: Find Gymnosperma glutinosum in the Flora of North America (if available)
Google: Search Google for Gymnosperma glutinosum


Record Modified: 2022-12-27
Research By: TWC Staff

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