|Scientific Name||Polanisia uniglandulosa||USDA PLANTS Symbol||POUN3|
|Common Name||Mexican Clammyweed||ITIS Taxonomic Serial No.||22661|
|Description||Habitat: Sandy or gravelly areas in arroyos, riverbeds, roadsides, and pastures.
Plant: Erect annual 8 to 32 inches tall, much-branched; stems and leaves covered with sticky, glandular hairs.
Leaves: Alternate, petiolate, trifoliate with broadly elliptic to oblanceolate leaflets; becoming single along stems near the flower head; 3/4 to 1-5/8 inches long.
Inflorescence: Dense racemes 2 to 8 inches across of 15 to 30 flowers with 4 white petals; 20 to 27 pink to purple stamens 3/4 to 2 inches long, much longer than the petals.
Fruit: Erect capsules 2-3/8 to 4 inches long with dark reddish brown, smooth shiny seeds inside.
Bloom Period: May to October.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston and SEINet.
Note: Appears similar to the more common Polanisia dodecandra. P. uniglandulosa has larger flowers and more but shorter stamens, and the seeds are shiny.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023