Polemonium caeruleum L.

Jacob's Ladder

Sp. Pl. 1: 162 (1753)

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Sparingly established

Erect perennial 30–100 cm high. Leaves 1-pinnate; leaflets 11–27, ovate to lanceolate, 7–40 mm long, 2–14 mm wide, glabrous to sparsely pilose, entire. Flowers on pedicels 3–5(–10) mm long; calyx 5–8 mm long, lobes oblong to narrowly ovate or lanceolate, about as long as tube; corolla violet to blue-violet, rarely white, broadly campanulate, 8–25 mm long, lobes obovate, apex rounded to ± acute, margin glabrous to sparsely ciliate; stamens c. as long as corolla, rarely shorter or longer than corolla; style longer than stamens, slightly exserted. Capsule 5–7 mm long; seed brown, 3–3.5 mm long. Flowers late spring–summer.

*CVU. A garden escape recorded along a weedy roadside in Blackwood in central Victoria. Native to Europe and temperate Asia.

Created by: Daniel Ohlsen, 2016-09-01
Updated by: Val Stajsic, 2019-03-13
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Ericales
family Polemoniaceae
genus Polemonium
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Polemonium caeruleum in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Polemonium caeruleum in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Central Victorian Uplands present introduced