bilberry

...A deciduous shrub of the Ericaceae family, it is one of the wild species closely related to blueberries. It is widely distributed in the northern hemisphere's cold zone, and in Japan, it is common in Hokkaido and the volcanic plateaus north of central Honshu. It can grow from about 10cm tall creeping above the ground to over 1m tall in the forest. It produces white, red-tinged, urn-shaped flowers in early summer, and in autumn it produces spherical, purple-black fruits 6-7mm in diameter that ripen. The shape of the fruits varies considerably, from flat to pear-shaped to cylindrical, and there are also fruits of different sizes. Seeds are sown on crushed sphagnum moss, and in cooler regions, they can be grown in pots with peat moss. ...

*Some of the terminology that mentions "bilberry" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…ブルーベリー近縁の野生種の一つで，ツツジ科の落葉小低木。北半球寒帯に広く分布し，日本でも北海道，本州中部以北の火山性高原に多い。高さは地をはう10cmくらいのものから林の中では1mをこえるものまである。初夏紅色を帯びたつぼ状の白花をつけ，秋に径6～7mmの球形で紫黒色の果実が熟すが，果形には扁平，ヨウナシ形，円筒形などかなりの変異があり大小もある。砕いたミズゴケの上に種子をまき，冷涼地ならピートモスで鉢栽培ができる。…

※「bilberry」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報