A perennial plant of the Begoniaceae family. Native to southern China. It grows well in shady, moist places. It is cultivated for ornamental purposes, and some have become naturalized. It has a round tuber underground and a fleshy stem that grows to a height of about 60 cm. The leaves are alternate, distorted ovate, 8-15 cm long, and have long stalks. From late summer to autumn, beautiful red flowers are borne in sparse cymes at the ends of the branches. It is monoecious. It has two large calyxes and two small petals. The capsule has three wings and contains many seeds. It can also reproduce by producing small gemmae in the leaf axils that fall to the ground and become new seedlings. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
シュウカイドウ科の多年草。中国南部の原産。日陰の湿ったところでよく生育する。観賞用に栽培され,また野生化しているものもある。地下に丸い塊茎があり多肉の茎を伸ばして高さ 60cmぐらいに達する。葉は互生し,ゆがんだ卵形で長さ8~15cmあり,長い柄をもつ。夏の終りから秋にかけて,枝先に美しい紅色の花をまばらな集散花序につける。雌雄同株。萼は2片あって大きく,花弁は2片で小さい。 蒴果には3枚の翼があり,内部に多数の種子を宿す。葉腋に小さい無性芽をつけ地に落ちて新しい苗となって繁殖することもある。
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