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photograph
Foliage and cones (2).
Juniperus rigida Siebold & Zucc. 1846

Common Names

Needle juniper (1).

Taxonomic notes

Two subspecies:

Juniperus rigida subsp. rigida.

Synonymy:
J. communis Thunb. 1784 non L. 1753;
J. nipponica Maxim. 1868;
J. rigida subsp. nipponica (Maxim.) Franco 1962;
J. communis var. nipponica (Maxim.) E.H. Wilson 1916;
J. seoulensis Nakai 1917;
J. utilis Koidz. 1930;
J. utilis var. modesta Nakai 1938;
J. rigida f. modesta (Nakai) Y.C. Zhu 1989.

Juniperus rigida subsp. conferta .

Description

Dioecious evergreen shrub or small tree to 10 m tall, 45 cm dbh. Crown oval, conical or columnar. Bark thin and scaly, furrowed on old trees, red-brown, later gray. Branches ascending and branchlets pendulous. Shoots slender, triangular. Leaves dark green, needle-like, in whorls of 3, rigid, sharply pointed and prickly, 12-28 mm long, about 1 mm wide, with a narrow white band above. Fruit solitary, globose, 6-10 mm across, soft, rounded or elliptical, black-brown with a glaucous bloom and strong resinous odor, composed usually of 6 scales, ripening in the second year. Seeds 2-3 in each fruit, oblong or triangular, resinous. Pollination in June, seeds mature in August-October of the 3rd year (1, 2).

Range

Japan, Korea, N China (Manchuria) (1). Locally common in Japan, China and Korea; rare in Russia: Southern Ussuriland, on limestone rocks and sandy seashores (2).

Big Tree

Oldest

Dendrochronology

Ethnobotany

Observations

In Russia, easy to see in Lazovsky Zapovednik (2).

Remarks

Citations

(1) Vidakovic 1991 .

(2) S. Harkevich and N. Kachura. 1981. Rare Plant Species of The Soviet Far East and Their Conservation. Nauka, Moscow (in Russian).


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This page is from the Gymnosperm Database
URL: http://www.geocities.com/RainForest/Canopy/2285/cu/ju/rigida.htm
Edited by Christopher J. Earle
E-mail: earlecj@earthlink.net
Last modified on 25-Jan-2000

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