Penstemon watsonii
(Watson's Beardtongue)
Penstemon watsonii, Green Mountain Reservoir, Summit Co. 0362
Penstemon watsonii, Green Mountain Reservoir, Summit Co. 0355
Penstemon watsonii, Green Mountain Reservoir, Summit Co. 0374
Penstemon watsonii, Green Mountain Reservoir, Summit Co. 0350
Penstemon watsonii, Green Mountain Reservoir, Summit Co. 0367
| Scientific Name | Penstemon watsonii | USDA PLANTS Symbol | PEWA |
| Common Name | Watson's Beardtongue, Watson's Penstemon | ITIS Taxonomic Serial No. | 33791 |
| Family | Plantaginaceae (Plantain) formerly Scrophulariaceae | SEINet Reference |
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| Description |
Life zones and habitat: Foothills and montane (6700 to 9100 ft). Dry, rocky or gravelly soils; hillsides with sagebrush or scrub, sometimes in pine woodlands. Plant: Erect perennial 10 to 24 inches tall, several stems in a clump; smooth or sparsely hairy stems. Leaves: Few or no basal leaves: stem leaves are opposite, oblanceolate to lanceolate 1-3/16 to 3-1/8 inches long, and 1/3 to 3/4-inches+ wide with entire margins; sparsely hair or smooth surfaces. Inflorescence: Blue to violet flowers in a thryse with 6 to 10 verticillasters (similar to whorls); each 5-lobed flower almost 1 inch long, smooth or minutely hairless corolla, externally, and hairy on the lower lip; four stamens with hairless dark purple anthers, staminode (unfertile stamen in center) with small yellow hairs along its length and at tip; short calyx with 5 lobes. Bloom Period: June and July. References: "Flora of Colorado" by Jennifer Ackerfield, Penstemons.org and American Southwest. |
BONAP Distribution Map
Map Color Key | Colorado Status: Native |
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