E-Flora BC: Electronic Atlas of the Flora of British Columbia

Juniperus maritima R.P. Adams
seaside juniper (Seaside juniper )
Cupressaceae (Cypress family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #16457)

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Distribution of Juniperus maritima
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Species Information

Trees single stemmed to 15 m or more with pyramidal or round crown; seldom a sprawling shrub less than 1 m (wind-swept sites along the shore); bark brown, exfoliating in thin strips.
Mostly scale-like, with blunt tips and entire margin (20-x to 40-x magnification), leaves on young innovations needle-like.
Seed cones globose to kidney-shaped, 6-8 mm in diameter; black-blue to bluish-brown; seeds commonly excerted; maturing in 14-16 months; present from Fall to Winter.
The species, previously included in Juniperus scopulorum, is characterized by having seed cones that mature in one year (14-16 months), seeds usually exserted from the cone, obtuse scale leaf tips; scale leaves overlap less than 1/5 the length, and branchlets smooth and reddish-brown.


Adams, R.P. 2007. Juniperus maritima, the seaside juniper, a new species from Puget Sound, North America. Phytologia 89(3): 263-283.

Adams, R.P. 2008. Junipers of the world: The genus Juniperus. Trafford Publishing Co., Vancouver, BC.

Account Author::  Adolf Ceska.

Habitat / Range

Dry rocky shores of Georgia Strait (“Saalish Sea”) and Puget Sound exceptionally in higher elevation (Deer Park, Olympic Mountains); endemic in coastal SW BC and NW WA. Source: Adams, R.P. (2007, 2008).

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is Mediterranean climate with cool-summers.

Taxonomic and Nomenclatural Links

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General References