|Scientific Name||Ambrosia psilostachya||USDA PLANTS Symbol||AMPS|
|Common Name||Cuman Ragweed, Perennial Ragweed||ITIS Taxonomic Serial No.||36516|
|Description||Habitat: Roadsides, disturbed areas. Widespread and abundant in much of Texas and elsewhere.
Plant: Erect perennial 4 to 24 inches tall, sometimes taller; branching, hairy stem.
Leaves: Hairy, up to 4 inches long, variable shape from lanceolate to nearly oval, divided into many narrow, pointed lobes.
Inflorescence: Composite flowers arranged in spikes atop the stems, and composed of many downward-pointing staminate (male) flower heads, yellow; pistillate (female) heads located below and in the axils of leaves.
Bloom Period: Late summer and fall.
References: SEINet and Wikipedia.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023