(First upload on August 24 2009. Last on May 20 2016) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Pinaceae (マツ科) > Pinus densiflora
Pinus L. (マツ)Akamatsu (アカマツ, 赤松), Japanese red pineMematsu (メマツ, 雌松) ↔ Omatsu (オマツ, 雄松) Lifeform: evergreen tree Distribution: Northeast China - Korea - Japan (to south Hokkaido) Habitat: dry and poor soil, and others Cultivars pendula (シダレマツ) umbraculifera (タギョウショウ, 多行松), short tree with sprouts at the base oculus-draconis (ジャノメアカマツ) |
 along a coast on Oshima Island in Matsushima Islands, northern Honshu, on March 21 2016 |
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[1/2] Mount Koma. [1] a shrub patch near a permanent plot to measure temporal vegetation changes on July 9 2009. [2] close-up of flowers at the middle elevation of Mount Koma on July 20 2011. [3] at Goryokaku Park, Hakodate, on July 27 2012.
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[4] on Oshima Island in Matsushima Islands, northern Honshu, on March 21 2016. [5] on Oshima Island in Matsushima Islands, northern Honshu, on March 21 2016. [6] established on Mishima lava (三島溶岩) at Rakuju-en Garden, Mishima, central Japan, on November 18 2009. The ground surface is covered with lava produced by the eruptions on Mount Fuji ⇒ bark (樹皮). [7] at a cherry farm, Sobetsu Town, southern Hokkaido, on July 25 2013 when the review of Global GeoPark (ジオパーク) re-registration was held. A local farmer told me that the tree was natually established. If so, the tree is distributed in the northern limit of this species.
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[1-3] cv. umbraculifera (タギョウショウ) at Hibiya Park, Tokyo, on December 27 2014.
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Aiguromatsu (アイグロマツ, 間黒松) Hybrid between P. densiflora and P. thunbergii |
Leaf ≈ P. thunbergii |
Distribution: Korean Peninsula - Japan (south to Honshu) |
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[1-3] in the Koishikawa Botanical Garden (小石川植物園), the University of Tokyo, on March 16 2017.