A perennial herb of the Santalum family. It grows in slightly moist areas in mountain forests west of the Kanto region. The rhizome spreads horizontally, has short internodes, and produces thick, string-like roots. The stem is erect, 30-60 cm tall, tilts upward, and has 5-7 leaves growing alternately in the upper half. The leaves are ovate-elliptical, 6-15 cm long, and have slightly wavy curled edges. In April and May, pale-colored flowers hang down from the axils on slender stalks. The four tepals are arranged in a cross shape, one of which is particularly large. There are four upright stamens, and the anthers are yellow-red. The fruit is oval, pointed at the tip, and divided into two pieces. The leaves are poisonous. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ビャクブ科の多年草。関東より西の山林中のやや湿ったところに生える。根茎は横にはい,節間が短く,太い紐状の根を出す。茎は直立し高さ 30~60cm,上部は傾き,上半部に5~7枚の葉を互生する。葉は卵状楕円形で長さ6~15cm,縁は多少波状にちぢれている。4~5月,葉腋に細長い柄で垂れ下がる淡色の花をつける。4枚の花被片は十字形に並び,そのうち1枚は特に大きい。おしべは4本で直立し,葯 (やく) は黄赤色。果実は卵円形で先はとがり2片に分れる。葉は有毒である。
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