...The family Pinaceae consists of 10 genera and 220 species, distributed mainly in the temperate zone of the Northern Hemisphere (Figure). It is divided into three subfamilies: the subfamily Pinus ( Pinus genus), which has long and short branches with scale leaves on the former and needles on the latter; the subfamily Larix ( Larix genus, Pseudolarix genus, Cedrus genus), which has needles on long branches; and the subfamily Abies ( Abies genus, Tsuga genus, Picea genus, Pseudotsuga genus, Keteleeria genus), which has no short branches. The genus Cathaya in Sichuan Province, China, is similar to the genus Pseudotsuga, but it has both short and long branches, making it difficult to determine its affiliation. ... From [Fir]...An evergreen tall tree of the pine family with a beautiful, neat tree shape (illustration). It is found in warm areas of Japan and has long been planted in gardens. Its wood is beautiful and white. It reaches a height of 40m and a diameter of 1.5m, with a straight trunk and thick branches that extend slightly diagonally upwards, forming a broad cone-shaped crown. The bark of the trunk is gray-brown and is dotted with resin sacs containing sticky resin, with fine cracks at the base of the trunk. One-year-old branches are gray-brown and densely covered with fine hairs. The needles are spiral on the branches, linear and 2-3.5cm long, with concave tips and sharp points on young trees. ... *Some of the terminology that mentions "Abies" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…マツ科は10属220種が北半球のおもに温帯に分布する(図)。長枝と短枝があり,前者に鱗片葉,後者に針葉をつけるマツ亜科(マツ属Pinus),長枝にも針葉がつくカラマツ亜科(カラマツ属Larix,イヌカラマツ属Pseudolarix,ヒマラヤスギ属Cedrus),および短枝のないモミ亜科(モミ属Abies,ツガ属Tsuga,トウヒ属Picea,トガサワラ属Pseudotsuga,ユサン属Keteleeria)の3亜科に分類される。中国四川省にあるカタヤ属Cathayaはトガサワラ属に似るが,短枝と長枝があり,所属を決めがたい。… 【モミ(樅)】より…端正な樹形が美しいマツ科の常緑高木(イラスト)。日本の暖地に分布し,古来庭園に植えられ,材は白色で美しい。高さ40m,径1.5mに達し,幹は通直,太枝をやや斜め上にまっすぐに伸ばし,広円錐形の樹冠をなす。幹の樹皮は灰褐色で,樹脂囊を散布して粘質の樹脂を含み,幹基部では細かく亀裂(きれつ)する。1年生枝は灰褐色で細毛を密生する。針葉は枝に螺生(らせい)し,線形で長さ2~3.5cm,先端は凹形で若木のものは鋭くとがる。… ※「Abies」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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