(Red-whisker Clammyweed)
Polanisia dodecandra ssp. trachysperma, John Martin Reservoir State Park, Bent Co. 9949
Polanisia dodecandra ssp. trachysperma, John Martin Reservoir State Park, Bent Co. 9954
Polanisia dodecandra ssp. trachysperma, Overland Trail Recreation Area, Sterling, Logan Co, 7220
Polanisia dodecandra ssp. trachysperma, Overland Trail Recreation Area, Sterling, Logan Co, 7238
Polanisia dodecandra ssp. trachysperma, Overland Trail Recreation Area, Sterling, Logan Co, 7235
Polanisia dodecandra ssp. trachysperma, Overland Trail Recreation Area, Sterling, Logan Co, 7242
| Scientific Name | Polanisia dodecandra ssp. trachysperma | USDA PLANTS Symbol | PODOT |
| Common Name | Redwhisker Clammyweed | ITIS Taxonomic Serial No. | 22655 |
| Family | Cleomaceae (Cleome) | SEINet Reference |
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| Description |
Life zones and habitat: Plains and foothills (3500 to 6800 ft.); 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 lanceolate-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 (sometimes purple-ish tinged) 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: July to October. References: "Flora of Colorado" by Jennifer Ackerfield, "Wildflowers of the Texas Hill Country" by Marshall Enquist, "Manual of the Vascular Plants of Texas" by Correll and Johnston and SEINet. |
BONAP Distribution Map Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains