- Japanese Black Pine
Taxobox
name = Japanese Black Pine
status = LR/lc | status_system = IUCN2.3
image_width = 240px
image_caption = Pruned Japanese Black Pines in Japanese National Garden, Tokyo
regnum =Plant ae
divisio =Pinophyta
classis = Pinopsida
ordo =Pinales
familia =Pinaceae
genus = "Pinus"
subgenus = "Pinus"
species = "P. thunbergii"
binomial = "Pinus thunbergii"
binomial_authority = Parl.The Japanese Black Pine ("Pinus thunbergii") is a
pine native to coastal areas ofJapan (Kyūshū ,Shikoku andHonshū , but notHokkaidō ) andSouth Korea . It can reach the height of 40 m, but rarely achieves this size outside its natural range. The needles are paired, about 7-12 cm long, and the cones are 4-7 cm in length.Because of its resistance to
pollution andsalt , it is a popular horticulturaltree . It is one of the classicbonsai subjects, requiring great patience over many years to train properly. InNorth America this tree is subject to widespread mortality by the native AmericanPinewood Nematode "Bursaphelenchus xylophilus", spread by means of beetle vectors. Subsequently, blue stainfungus invades the plant, leading to a rapid decline and death. Thisnematode has also been introduced to Japan accidentally, leading to the species becoming endangered in its native area.The Japanese Black Pine is also known as the Japanese Pine, Black Pine, and (in Japanese) Kuromatsu (黒松). Some texts also list it under the superfluous scientific name "Pinus thunbergiana".
References
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