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Bransford, W.D. and Dolphia
Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. f.
Gummy broomweed, Gummy snakeweed, San Pedro matchweed
Synonym(s): Grindelia gymnospermoides, Gutierrezia gymnospermoides
USDA Symbol: XAGY
USDA Native Status: L48 (N)
Gummy broomweed grows 2-2 1/2 feet tall, with several branches in the upper section. It has a sticky, gummy secretion on the bright golden flower heads, sometimes completely covering the large center, which is 3/8 inch across. The ray flowers are short, only 1/8 inch long. There are about 20 flower heads to a stem, and they are quite showy when growing in dense masses.
The stems are often used to kindle fires because of the resin they contain.
Plant CharacteristicsDuration: Annual Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug , Sep , Oct
BenefitConspicuous Flowers: yes
Deer Resistant: High
National Wetland Indicator Status
|Status:|| FAC |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Wildflower Center Seed BankLBJWC-1136
Collected 2011-10-19 in Jeff Davis County by Lady Bird Johnson Wildflower Center
Record Last Modified: 2007-01-01
Research By: TWC Staff