Juniperus horizontalis Health effects and herbal facts

Known as
American savin creeping juniper creeping savin juniper creeping-cedar prostrate juniper shrubby red-cedar Waukegan juniper

Juniperus horizontalis is a low-growing shrubby juniper native to northern North America, throughout most of Canada from Yukon east to Newfoundland, and in the United States in Alaska, and locally from Montana east to Maine, reaching its furthest south in Wyoming and northern Illinois. It lives up to both its scientific and common names, reaching only 10-30 cm tall but often spreading several metres wide. The shoots are slender, 0.7-1.2 mm diameter. The leaves are arranged in opposite decussate pairs, or occasionally in whorls of three; the adult leaves are scale-like, 1-2 mm long and 1-1.5 mm broad. The juvenile leaves are needle-like, 5-10 mm long. The cones are berry-like, globose to bilobed, 5-7 mm in diameter, dark blue with a pale blue-white waxy bloom, and contain two seeds; they usually have a curved stem and are mature in about 18 months. The male cones are 2-4 mm long, and shed their pollen in early spring. It is dioecious, producing cones of only one sex on each plant. It is closely related to Juniperus virginiana, and often hybridizes with it where their ranges meet in southern Canada. Hybrids with Juniperus scopulorum also occur.

Juniperus horizontalis

Medical use

Economic importance of Juniperus horizontalis

Environmental ornamental

Gallery

Juniperus horizontalis Juniperus horizontalis Juniperus horizontalis Juniperus horizontalis Juniperus horizontalis Juniperus horizontalis Juniperus horizontalis Juniperus horizontalis Juniperus horizontalis Juniperus horizontalis Juniperus horizontalis Juniperus horizontalis

Geografical distribution

  • NORTHERN AMERICA
    Native
    • Subarctic America: Canada - Northwest Territory, Yukon Territory ; United States - Alaska
    • Eastern Canada: Canada - New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Island, Quebec
    • Western Canada: Canada - Alberta, British Columbia, Manitoba, Saskatchewan
    • Northeastern U.S.A.: United States - Maine, Massachusetts, Michigan , New York, Vermont
    • North-Central U.S.A.: United States - Illinois , Iowa , Minnesota, Nebraska , North Dakota, South Dakota, Wisconsin
    • Northwestern U.S.A.: United States - Montana, Wyoming

Biological activities

AntiHIV
Betulin found in Leaf ;found in Stem
Anticarcinomic
Betulin found in Leaf ;found in Stem
Antifeedant
Betulin found in Leaf ;found in Stem
Antiflu
Betulin found in Leaf ;found in Stem
Antiinflammatory
Betulin found in Leaf ;found in Stem
Antitumor
Betulin found in Leaf ;found in Stem
Antiviral
Betulin found in Leaf ;found in Stem
Aphidifuge
Betulin found in Leaf ;found in Stem
Cytotoxic
Betulin found in Leaf ;found in Stem
Hypolipemic
Betulin found in Leaf ;found in Stem
Prostaglandin-Synthesis-Inhibitor
Betulin found in Leaf ;found in Stem
Topoisomerase-II-Inhibitor
Betulin found in Leaf ;found in Stem

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Chemicals detected

Chemical Plant part Low ppm High ppm
Betulin Leaf
Stem
Reference: Dr. Duke's Phytochemical and Ethnobotanical Databases. [Online Database]