Porophyllum scoparium [Asteraceae]

Click on the images below to see larger versions.

Scientific Name Porophyllum scoparium USDA PLANTS Symbol POSC6
Common Name Shrubby Poreleaf, Trans-Pecos Poreleaf ITIS Taxonomic Serial No. 38264
Family Asteraceae (Sunflower) SEINet
Click Here
Description Habitat: Sandy, gravelly, and rocky sites, calcareous or igneous soils; in desert arroyos and on limestone banks, far West Texas.
Plant: Shrubby perennial with many erect, broom-like stems, turning gray/brown with age; 2 feet or more tall.
Leaves: Few thick filiform (thread-like) leaves along stems, up to 1-1/2 inches long.
Inflorescence: Rayless blossoms atop long stems; many (40 to 80) yellow disk florets surrounded by 7 to 10 phyllaries, 1/4 to 3/8 inches long.
Bloom Period: Year-around depending on conditions.
References: Flora of North America and Texas A&M Texas Native Plants Database.
BONAP Distribution Map

Texas Status:

© Tom Lebsack 2022