A perennial plant of the family Leptaceae. It grows in the cold and alpine zones of Northeast Asia and Alaska. The whole plant is somewhat fleshy and resembles the Crassulaceae plant L. glauca, hence the name Hamarenge. The basal leaves are broadly ovate with stalks and grow to about 10 cm in length. In summer, it produces flower stalks about 20 cm tall, with dense flowers at the tips. The calyx is spatula-shaped, and the corolla is pale purple and long and curved, with a lip-shaped tip that splits into two. The fruit is two nuts. In Japan, it is found in the gravel areas of the high mountains of central Honshu and on Rebun Island. The plant on Mount Yubari in Hokkaido is small overall, and is sometimes considered a variant called Yubarisou L. glauca var. takedana . Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ウルップソウ科の多年草。北東アジアとアラスカの寒帯や高山帯に生じる。全草やや多肉質でベンケイソウ科のイワレンゲなどに似ているところからハマレンゲの名もある。根生葉は有柄の広卵形で長さ約 10cmになる。夏に,高さ 20cmぐらいの花茎を出し,先端に密に花をつける。萼はへら形で,花冠は淡紫色で湾曲した長い筒形となり,先は2裂して唇形となる。果実は2つの堅果となる。日本では本州中部の高山の砂礫地と礼文島に知られる。また,北海道の夕張岳のものは全体が小型で,特にユウバリソウ L. glauca var. takedanaといって変種とすることがある。
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