|Scientific Name||Polanisia dodecandra||USDA PLANTS Symbol||PODO3|
|Common Name||Clammyweed, Redwhisker Clammyweed||ITIS Taxonomic Serial No.||22652|
|Description||Habitat: Sandy or gravelly soils; disturbed areas, open areas, roadsides, streambanks.
Plant: Upright slender or bushy annual 1 to 3 feet tall, much-branched; covered with sticky, glandular hairs.
Leaves: Trifoliate with oblanceolate to obovate or broadly elliptic leaflets; becoming single, petiolate, along stems near the flower head; 3/8 to 1-5/8 inches long.
Inflorescence: Dense racemes 2 to 8 inches across of 15 to 30 flowers with 4 white petals up to 3/8-inch long; 6 to 20 pink to purple stamens, 3/8 to 1-1/4 inches long, much longer than the petals.
Fruit: Erect capsules 1 to 3 inches long with dull reddish to dark brown seeds inside.
Bloom Period: May to June.
References: "Wildflowers of the Texas Hill Country" by Marshall Enquist, "Manual of the Vascular Plants of Texas" by Correll and Johnston and SEINet.
Note: Appears similar to the less common Polanisia uniglandulosa. P. dodecandra has smaller flowers and fewer but longer stamens, and the seeds are not shiny.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023