Polanisia dodecandra
(Clammyweed)
Polanisia dodecandra, Reimer’s Ranch Park, Travis Co. 00371
Polanisia dodecandra, Reimer’s Ranch Park, Travis Co. 00378
Polanisia dodecandra, Reimer’s Ranch Park, Travis Co. 00374
| Scientific Name | Polanisia dodecandra | USDA PLANTS Symbol | PODO3 |
| Common Name | Clammyweed, Redwhisker Clammyweed | ITIS Taxonomic Serial No. | 22652 |
| Family | Cleomaceae (Cleome) | SEINet Reference |
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| 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 |
Texas Status: Native |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2024