Penstemon rydbergii
(Rydberg's Penstemon)
Penstemon rydbergii, Green Mountain Reservoir, Summit Co. 0355
Penstemon rydbergii, Green Mountain Reservoir, Summit Co. 0362
Penstemon rydbergii, Green Mountain Reservoir, Summit Co. 0350
Penstemon rydbergii, Green Mountain Reservoir, Summit Co. 0374
Penstemon rydbergii, Lower Cataract Lake, Summit Co. 1352/1364
Penstemon rydbergii, Lower Cataract Lake, Summit Co. 1368/1395
Penstemon rydbergii, Lower Cataract Lake, Summit Co. 1445/1460
Penstemon rydbergii, Green Mountain Reservoir, Summit Co. 0367
| Scientific Name | Penstemon rydbergii | USDA PLANTS Symbol | PERY |
| Common Name | Rydberg's Penstemon, Meadow Beardtongue | ITIS Taxonomic Serial No. | 33990 |
| Family | Plantaginaceae (Plantain) formerly Scrophulariaceae | SEINet Reference |
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| Description |
Life zones and habitat: Montane and alpine (7500 to 12000 ft). Sunny mountain slopes, alpine meadows, forest openings and streamsides. Plant: Erect perennial with single or a clump of multiple leafy, usually smooth, stems up to 2 feet tall; stems may be decumbent at base. Leaves: Basal leaves oblanceolate and petiolate, up to 2-3/4 inches; stem leaves lanceolate, sessile, opposite and shorter; all are usually smooth with entire margins; Inflorescence: Clusters (2 to 7) atop and along stem of blue to purple flowers pointing radially all directions from the stem; corolla smooth on outside, lower lobes with bearded; staminode with a dense tuft of golden hairs at tip; smooth black anthers. Bloom Period: June to August. References: "The Alpine Flora of the Rocky Mountains" by Richard W. Scott, "Flora of Colorado" by Jennifer Ackerfield and American Southwest |
BONAP Distribution Map
Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County