Ageratina havanensis

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Scientific Name Ageratina havanensis (Eupatorium havanense) USDA PLANTS Symbol
Common Name Shrubby Boneset, Havana Snakeroot ITIS Taxonomic Serial No.
Family Asteraceae (Sunflower) SEINet Reference
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Description Habitat: Rocky bluffs, limestone outcrops and slopes, ledges along streams, often in oak-juniper woodlands.
Plant: Rounded perennial shrub, 1 to 5 feet tall, with many much-branched stems.
Leaves: Opposite, roughly deltoid (triangular) to ovate or narrower, up 1 to 2 inches long, with 3 main veins; edges wavy to coarsely toothed; pointed tips.
Inflorescence: Terminal clusters of 15 to 20 pinkish-white flowers; ray flowers absent; florets with 5-toothed corollas (resembling tiny petals) and long, protruding styles; prolific, long-lasting, fragrant.
Bloom Period: May to November.
References: SEINet, "Wildflowers of the Texas Hill Country" by Marshall Enquist and "Manual of the Vascular Plants of Texas" by Correll and Johnston.
Texas Status

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© Tom Lebsack 2018