...In general, it differs from Japanese species in that its needles are thinner, the teeth at the tip of the seed scales are not as sharp, and there are only two seeds on each scale. However, some people consider it to be a variant of the species brought from Japan and call it Kawai Sugi C. japonica var. sinensis Sieb.et Zucc. Fossils of Sugi have been excavated from Pliocene and Pleistocene strata in Japan, but closely related species are widely known from Tertiary strata in Europe and East Asia, so it is not surprising that native species have been found in China. *Some of the terminology that refers to "Kawaiisugi" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…概して日本産より針葉が細く,種鱗の先端の歯牙があまりとがらず,また各種鱗上の種子数も2個と少ない点で異なるという。しかし,日本から持ち込まれたものの変異型とみなし,カワイスギC.japonica var. sinensis Sieb.et Zucc.と称する人もいる。スギは日本の鮮新世と更新世の地層から化石を出土するが,近縁種が広くヨーロッパと東アジアの第三紀層から知られているので,中国に自生種が見いだされても不思議はない。… ※「カワイスギ」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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