つるしきみ (蔓樒) [Index] [Back]

Skimmia japonica var. intermedia f. repens

Skimmia japonica var. intermedia f. repens

Skimmia japonica var. intermedia f. repens

Skimmia japonica var. intermedia f. repens

わが国の北海道から本州の東北地方、中部地方以西の日本海側、四国・九州それに南千島やサハリンに分布しています。「みやましきみ」の変種です。多雪地の山地の林内に生え、高さは50センチほどになります。幹の基部は、地面を這います。葉は倒卵状長楕円形で革質、枝先に集まって互生します。5月から6月ごろ、枝先や上部の葉腋に円錐花序をだし、淡紅色から白色の花を咲かせます。雌雄異株です。果実は球形の核果で、冬に赤く熟します。別名で、「つるみやましきみ(蔓深山樒)」とも呼ばれます。
ミカン科ミヤマシキミ属の常緑小低木で、学名は Skimmia japonica var. intermedia f. repens。英名はありません。
"Tsuru-shikimi" (Skimmia japonica var. intermedia f. repens) belongs to the Rutaceae (the Citrus family). It is an evergreen shrub that is distributed to Hokkaido, Tohoku district and westward from the Japan Sea side of Chubu district of Honshu, Shikoku and Kyushu, as well as the southern Kril Islands and Sakhalin. It is a variety of Japanese skimmia (Skimmia japonica). This shrub grows in the mountain forests of heavy-snow region, and can reach about 50 cm in height. The bases of stems crawl on the grounds. The leaves are obovate-oblong, leathery and densely-arranged alternately at the terminal branches. The panicles are borne at the tip of stems and upper leaf-axils, and the pale rose pink to white flowers bloom in May through June. It is dioecious. The fruits are spherical drupes and ripen red in winter. It is also called "Tsuru-miyama-shikimi" in Japan.
福島県磐梯町「磐梯山」にて、2012年06月23日撮影。

Shu Suehiro
shu@botanic.jp