…refers to herbaceous plants that survive for more than two years. Even if the above-ground parts die in winter, they are considered perennial if the underground parts survive the winter. Perennial plants that only grow above ground in summer are called summer-green plants and are sometimes distinguished from evergreen plants. In tropical areas with distinct dry and rainy seasons, some plants have a life cycle in which the above-ground parts grow only during the rainy season. … *Some of the terminology explanations that mention "Natsuryokusei" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…2年以上生存を続ける草本植物のことを指し,地上部が冬になると枯死してしまうものでも,地下部などが越冬すれば多年生の性質をもつ。多年生であるが,地上部が夏季だけ繁茂するものを夏緑生といって常緑の草本と区別することがある。熱帯などで,乾季と雨季がはっきりしているところでは,雨季にだけ地上部が展開する生活形をもつものもある。… ※「夏緑生」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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