Porophyllum scoparium

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Scientific Name Porophyllum scoparium USDA PLANTS Symbol
Common Name Shrubby Poreleaf, Trans-Pecos Poreleaf ITIS Taxonomic Serial No.
Family Asteraceae (Sunflower) SEINet Reference
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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.
Reference: SEINet and Texas A&M Texas Native Plants Database.
Texas Status

© Tom Lebsack 2019