Accession #: 201800129
Accession Date: 2019-10-25
Common name: Japanese Red Pine
Family: Pinaceae
Synonym(s):
Country of Origin: S. Russian Far East to Korea and C. & S. Japan
Description: A straight to contorted (particularly in coastal settings) tree up to 36m tall, with an open, irregular or umbrella-shaped crown. Lower branches shed early even in open settings. Bark red-brown, in large plates (on old trees) or flaky and papery. Branches grey-green, rapidly becoming smooth with age, developing papery reddish bark. Leaves green, pliable, 2 per fascicle, sheaths retained, 8-12 cm long, 0.7-1.2 mm wide, acute, with minute marginal teeth, stomata in lines on all surfaces; retained in bunches at ends of twigs. Pollen cones small, ellipsoidal, pale yellow or yellow-brown, at end of shoots. Seed cones conic-ovoid, tan to golden brown, 4-7 cm long, in whorls of 2-5 at branch nodes, remaining closed and attached for several years, on a 1-3 mm long somewhat flexible peduncle. Cone scales: about 50 scales may contain fertile seed; cuneate, the exposed part flattened, rhomboidal with a central, short-mucronate umbo; the concealed part a dark red-brown. Seeds with attached wing 10-17 mm long.5
Uses:
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USDA Zone: 7
Source: John Korte (seed from treeseeds.com)
Provenance:
Restrictions:
Culture: