Status:
valid
Authors:
L.
Source:
cmp
Year:
1753
Citation Micro:
Sp. Pl. : 162 (1753)
WFO Identifier:
wfo-0000484167
Common Names
- Blue Jacob's Ladder
- Greek Valerian
- Greek Valerian
Synonyms
- Polemonium sibiricum D.Don [unknown]
- Polemonium vulgare Gray [unknown]
- Polemonium lacteum Lehm. [unknown]
- Polemonium lanatum Pall. [unknown]
- Polemonium frolovianum Fisch. ex Herder [unknown]
- Polemonium gracile Willd. [unknown]
- Polemonium album Fisch. [unknown]
- Polemonium dissectum Rchb. [unknown]
- Polemonium caeruleum caeruleum [unknown]
- Polemonium caeruleum laxiflorum Regel [unknown]
- Polemonium caeruleum caeruleum [unknown]
Description
Polemonium caeruleum (also called Polemonium caerulea, among many other common names) is a small, evergreen, perennial plant native to Japan and Sakhalin Island. It has a rosette of basal leaves and grows up to 30 cm tall. It is found in moist and shady areas, and in rocky outcrops.
Uses & Benefits
Polemonium caeruleum is used as an ornamental plant for its attractive foliage and showy flowers. It is also used in traditional medicine to treat a variety of ailments.
Cultivars, Varieties & Sub-species
Polemonium caeruleum for. insulare Koji Ito
Polemonium caeruleum for. hidakanum (Koji Ito) Koji Ito
Polemonium caeruleum sub. himalayanum (Baker) H.Hara
Polemonium caeruleum var. nipponicum (Kitam.) Koji Ito
Flower, Seeds and Seedlings
Polemonium caeruleum has bell-shaped flowers that are usually blue or purple in color. The seeds are small and black, and the seedlings are small and delicate.
Cultivation and Propagation
Polemonium caeruleum is an evergreen shrub with a spreading habit. It grows best in full sun to partial shade in well-drained soil. Propagate by seed, cuttings, or division.
Where to Find Polemonium caeruleum
Polemonium caeruleum is native to the United States and can be found in the Appalachian Mountains.
Polemonium caeruleum FAQ
What is the scientific name of Polemonium caeruleum?
Polemonium caeruleum
What is the family of Polemonium caeruleum?
Polemoniaceae
What is the common name of Polemonium caeruleum?
Jacob's ladder
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,