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Often grown as an ornamental or bonsai, the tree
species Juniperus rigida is commonly
known as "needle" or "temple" juniper. It is
native to northern China, Korea, Japan, and the
far southeast of Russia (Primorsky Krai),
occurring at altitudes of 10-2,200 m. It is
closely related to Juniperus communis
(Common Juniper) and Juniperus conferta
(Shore Juniper), the latter sometimes treated as
a variety or subspecies of J. rigida. [1]
A shrub or small tree growing to a height of 10
m and a trunk diameter up to 50 cm. The leaves
are evergreen, needle-like, in whorls of three,
bright green to yellowish-green, 10-23 mm long
and 1-1.3 mm broad, with a single white stomatal
band on the inner surface. It is dioecious. The
seed cones are berry-like, ripening in 18
months to dark purple or brownish with a
variable whitish waxy coating;
spherical, 5-9 mm diameter, and have three
fused scales in one
whorls of three, each with a single seed. Seeds are
usually dispersed by birds. The
pollen cones are yellow, 3-5 mm long, and fall
soon after shedding their pollen in spring. [2]
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