(White Bog Orchid)
Platanthera dilatata var. albiflora, Hoosier Pass, Summit Co. 4080/4102
Platanthera dilatata var. albiflora, Slide Lake, Eagle Co. 4853
Platanthera dilatata var. albiflora, Slide Lake, Eagle Co. 4854
Platanthera dilatata var. albiflora, North Swan Valley, Summit Co. 6547
Platanthera dilatata var. albiflora, Shrine Ridge Trail, Eagle Co. 7172
Platanthera dilatata var. albiflora, North Swan Valley, Summit Co. 6549
Platanthera dilatata var. albiflora, FR679, Ophir Pass Rd., San Juan Co. 8423
Platanthera dilatata var. albiflora, FR679, Ophir Pass Rd., San Juan Co. 8412
| Scientific Name | Platanthera dilatata var. albiflora | USDA PLANTS Symbol | PLDIA |
| Common Name | White Bog Orchid, Scentbottle | ITIS Taxonomic Serial No. | 196400 |
| Family | Orchidaceae (Orchid) | Flora of North America Ref. | Click Here |
| Description |
Life zones and habitat: Montane to alpine (7500 to 12500); marshes, streamsides, and moist areas in meadows and woodlands. Plant: Erect, sturdy perennial, 6 to 60 inches tall, but usually 20 inches tall or less in CO; leafy stem. Leaves: Two to 5 alternate leaves 2 to 10 inches long; recurved (bending backward), lanceolate to elliptic-lanceolate, gradually becoming linear-lanceolate bracts higher up on the stem. Inflorescence: A raceme of 10 to 70 bright white, fragrant flowers about 1/2-inch across with 3 sepals and 3 petals (all white), upper two petals joining with a sepal to form a hood; lower petal forms a lip that is broader at the base (“dilated”) than the tip; green, club-shaped spur below is significantly shorter than the lip. Bloom Period: May to August. References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel, University of Wisconsin Botany Dept., and USFS article by Walter Fertig. |
BONAP Distribution Map N/A |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains