Status:
valid
Authors:
Greene
Source:
cmp
Year:
1890
Citation Micro:
Pittonia 2: 75 (1890)
WFO Identifier:
wfo-0000483973
Common Names
- Polemonium occidentale
- Western Jacob's Ladder
- Western Polemonium
Synonyms
- Polemonium occidentale amygdalinum Wherry [unknown]
- Polemonium caeruleum occidentale (Greene) H.St.John [unknown]
- Polemonium caeruleum occidentale (Greene) J.F.Davidson [unknown]
- Polemonium caeruleum amygdalinum (Wherry) Munz [unknown]
- Polemonium occidentale intermedium Brand [unknown]
- Polemonium intermedium Rydb. [unknown]
- Polemonium helleri Brand [unknown]
Description
Polemonium occidentale (also called Western Jacob's-ladder, among many other common names) is a species of flowering plant in the family Polemoniaceae. It is native to western North America, where it is found in the mountains of California, Oregon, and Washington. It is found in rocky, alpine habitats.
Uses & Benefits
Polemonium occidentale is used as an ornamental plant in gardens and can be used as a groundcover due to its low-growing habit.
Cultivars, Varieties & Sub-species
Polemonium occidentale var. lacustre (Wherry) Lakela
Polemonium occidentale sub. lacustre Wherry
Flower, Seeds and Seedlings
Polemonium occidentale has bell-shaped flowers that are usually white or pink in color. The seeds are small and black, and the seedlings are small and delicate.
Cultivation and Propagation
Polemonium occidentale is an evergreen perennial that grows up to 1m tall. It has bright green, lance-shaped leaves and small, bell-shaped, blue-violet flowers that appear in summer. It is native to Japan and is hardy in USDA zones 5-9. It prefers full sun to partial shade and moist, well-drained soil. Propagate by seed or division.
Where to Find Polemonium occidentale
Polemonium occidentale can be found in western North America.
Polemonium occidentale FAQ
What is the scientific name of Polemonium occidentale?
Polemonium occidentale
What is the common name of Polemonium occidentale?
Western Jacob's Ladder
What is the natural habitat of Polemonium occidentale?
Mountain meadows in western North America
Species in the Polemonium genus
Polemonium sachalinense,
Polemonium schizanthum,
Polemonium speciosum,
Polemonium schmidtii,
Polemonium pulchellum,
Polemonium victoris,
Polemonium yezoense,
Polemonium kiushianum,
Polemonium glabrum,
Polemonium nevadense,
Polemonium occidentale,
Polemonium majus,
Polemonium mexicanum,
Polemonium caeruleum,
Polemonium acutiflorum,
Polemonium boreale,
Polemonium elegans,
Polemonium villosissimum,
Polemonium micranthum,
Polemonium grandiflorum,
Polemonium brandegeei,
Polemonium carneum,
Polemonium chartaceum,
Polemonium flavum,
Polemonium foliosissimum,
Polemonium pauciflorum,
Polemonium pectinatum,
Polemonium pulcherrimum,
Polemonium reptans,
Polemonium van-bruntiae,
Polemonium viscosum,
Polemonium villosum,
Polemonium californicum,
Polemonium eximium,
Polemonium caucasicum,
Polemonium sumushanense,
Polemonium chinense,
Polemonium hingganicum,
Polemonium mellitum,
Polemonium eddyense,
Polemonium campanulatum,
Species in the Polemoniaceae family
Acanthogilia gloriosa,
Aliciella caespitosa,
Aliciella formosa,
Aliciella haydenii,
Aliciella heterostyla,
Aliciella humillima,
Aliciella hutchinsifolia,
Aliciella latifolia,
Aliciella leptomeria,
Aliciella lottiae,
Aliciella mcvickerae,
Aliciella micromeria,
Aliciella nyensis,
Aliciella pentstemonoides,
Aliciella pinnatifida,
Aliciella ripleyi,
Aliciella sedifolia,
Aliciella stenothyrsa,
Aliciella subacaulis,
Aliciella subnuda,
Aliciella tenuis,
Aliciella triodon,
Aliciella monoensis,
Aliciella cliffordii,
Allophyllum divaricatum,
Allophyllum gilioides,
Allophyllum glutinosum,
Allophyllum integrifolium,
Allophyllum nemophilophyllum,
Bonplandia geminiflora,
Bonplandia linearis,
Bryantiella palmeri,
Cantua dendritica,
Cantua mediamnis,
Cantua volcanica,
Cantua alutacea,
Cantua bicolor,
Cantua buxifolia,
Cantua candelilla,
Cantua coerulea,
Cantua cordata,
Cantua cuzcoensis,
Cantua flexuosa,
Cantua glutinosa,
Cantua hibrida,
Cantua longifolia,
Cantua megapotamica,
Cantua ovata,
Cantua pyrifolia,
Cantua quercifolia,