Polemonium pulcherrimum ssp. delicatum

(Jacob’s Ladder)

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Polemonium pulcherrimum ssp. delicatum, Hoosier Pass, Summit Co. 4126/4130

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Polemonium pulcherrimum ssp. delicatum, Loveland Pass, Clear Creek Co. 0767

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Polemonium pulcherrimum ssp. delicatum, Loveland Pass, Clear Creek Co. 0772

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Polemonium pulcherrimum ssp. delicatum, Mayflower Gulch, Summit Co. 0482

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Polemonium pulcherrimum ssp. delicatum, Loveland Pass, Clear Creek Co. 6902

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Polemonium pulcherrimum ssp. delicatum, North Swan Valley, Summit Co. 6650

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Polemonium pulcherrimum ssp. delicatum, Loveland Pass, Clear Creek Co. 0764

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Polemonium pulcherrimum ssp. delicatum, Indian Peaks, Boulder Co. 6219

Scientific Name Polemonium pulcherrimum ssp. delicatum USDA PLANTS Symbol POPUD3
Common Name Jacob's Ladder ITIS Taxonomic Serial No. 524549
Family Polemoniaceae (Phlox) SEINet
Reference
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Description Life zones and habitat: Montane to alpine (8500 to 13300 ft.); shady areas under conifers, in thickets and moist meadows; crevices and rocky slopes.
Plant: Perennial 2 to 10 inches tall with multiple weak, slender stems, somewhat trailing.
Leaves: Mostly basal leaves pinnately-divided into many (11-25) small leaflets, each 3/8 to 1-3/4 inches long.
Inflorescence: Clusters of a few flowers with 5 pale blue petals becoming lighter toward their bases, 1/5 to 3/5-inch long; yellow throat, cream-colored stamens; 5 green, pointed, hairy sepals below.
Bloom Period: June to August.
References: "Guide to Colorado Wildflowers" by G.K. Guennel, "Flora of Colorado" by Jennifer Ackerfield and SEINet.
BONAP Distribution Map
Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County