A cold-resistant perennial plant of the genus Hibiscus (Malvaceae) in the family Malvaceae (APG classification: Malvaceae). It is also called Koshokki (red hibiscus). It grows to a height of about 2 meters. Its leaves are large and have maple-like incisions. From August to September, it blooms red, five-petal flowers with a diameter of about 20 cm, similar to American Hibiscus. It is a diurnal flower that opens in the morning and closes in the evening, and a new flower blooms every day. It is native to Georgia and Florida in the United States, and is planted in flower beds. It is very hardy and resistant to both heat and cold, and will bloom every year even if left unattended in a sunny, well-ventilated place. It grows to a large plant, so it needs to be spaced 1 meter apart. In winter, the above-ground parts die, so it is best to cut them at ground level. It can be propagated from seed, but it will not bloom until the second year, so it is generally best to divide the plant. Division should be done in spring before the plant sprouts. In recent years, interspecific hybrids between Japanese maple and American hibiscus have been created and are enjoyed as horticultural varieties. [Katsumi Kaneko April 17, 2020] [References] |The leaves are large and have maple-like incisions. From August to September, it blooms red, five-petaled flowers measuring about 20 cm in diameter. It is a one-day flower that opens in the morning and closes in the evening. Also known as Koshokki (Red Shu Aoi). ©Seishohmaru "> Maple leaf Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
アオイ科(APG分類:アオイ科)ヒビスカス属(フヨウ属)の耐寒性多年草。コウショッキ(紅蜀葵)ともいう。高さ約2メートルに達する。葉は大形で、モミジ状の切れ込みがある。8~9月、径約20センチメートルでアメリカフヨウに似た赤色の5弁花を開く。朝開いて夕方閉じる一日花で、毎日新しい花を開く。アメリカのジョージア、フロリダ地方原産で、花壇に植えられる。非常にじょうぶで耐暑性、耐寒性もあり、日当り、風通しのよい所なら放任しても毎年開花する。大株になるので、株間は1メートルは必要である。冬季は地上部が枯れ込むので、地際(じぎわ)で刈り取るとよい。繁殖は実生(みしょう)もできるが、開花が2年目からになるので、一般には株分けがよい。株分けは春、発芽前に行う。近年モミジアオイとアメリカフヨウの種間交配種ができ、園芸品種として観賞される。 [金子勝巳 2020年4月17日] [参照項目] |葉は大形で、モミジ状の切れ込みがある。8~9月、径約20cmの赤色の5弁花を開く。一日花 で、朝開いて夕方閉じる。別名コウショッキ(紅蜀葵)©Seishohmaru"> モミジアオイ 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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