|Scientific Name||Lactuca serriola||USDA PLANTS Symbol||LASE|
|Common Name||Prickly Lettuce||ITIS Taxonomic Serial No.||36608|
|Description||Habitat: Fields, waste places, disturbed areas, and roadsides.
Plant: Tall, erect biennial, 1-5 feet high, stout stem and milky sap.
Leaves: Alternate, prickly leaves, usually clasping and oblanceolate to obovate in shape; lower leaves deeply pinnately-lobed.
Inflorescence: Large panicles or corymbs of many, often 100 or more, composite yellow blossoms in open clusters, each about 1/2-inch across, with 13 to 27 rays only (no disk florets); involucre about 1/2 inch long with 3 rows of overlapping bracts.
Bloom Period: July to September.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, American Southwest and SEINet.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023