A general term for species of moss plants in the family Leucanthemum. Often found in moist places in partial shade, the stems are erect or horizontal, and the leaves have a distinct midrib. They may be monoecious or heteroecious. The capsules are oval or cylindrical, and hang down from the stalk, so the Japanese name was given to them as they resemble a paper lantern. There are about 30 species in 7 genera in Japan. Plagiomnium trichomanes has creeping and erect stems, with reproductive organs at the end of the erect stems. The creeping stems end above ground, where new shoots grow. The leaves are broad and oval. It is found in moist places and is often used in moss gardens. Plagiomnium succulentum is similar to Plagiomnium trichomanes, but its leaves are larger and darker green. Mnium laevinerve has erect stems and oval or ovate-lanceolate leaves. The edges have sharp teeth. Trachycystis flagellare has only erect stems, is 2-3 cm tall, has many long, slender gemma buds at the ends of its stems, and has lanceolate leaves. [Hiroshi Inoue] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
コケ植物チョウチンゴケ科の種類の総称。半日陰地の湿った場所に多く、茎は直立するか横にはい、葉には明瞭(めいりょう)な中肋(ちゅうろく)がある。雌雄同株または異株。蒴(さく)は卵形ないし円筒形で、柄(え)から垂れ下がってつくので、この形を提灯(ちょうちん)に見立てて和名がつけられた。日本には7属約30種がある。 コツボゴケ(コツボチョウチンゴケ)Plagiomnium trichomanesは横にはう茎と直立茎があり、直立茎の先には生殖器官をつける。匍匐(ほふく)茎の先は地上について、ここに新芽をつくる。葉は広い卵形。湿りやすい場所に多く、苔庭(こけにわ)によく利用される。アツバチョウチンゴケP. succulentumはコツボゴケに似るが、葉がより大形で濃い緑色を呈する。ナメリチョウチンゴケMnium laevinerveは茎が直立し、葉は卵形ないし卵状披針(ひしん)形。縁(へり)には鋭い歯がある。エゾチョウチンゴケTrachycystis flagellareは直立茎だけをもち、高さ2~3センチメートル、茎の先端に細長い無性芽が多数つき、葉は披針形。 [井上 浩] 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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