Takeshimaran (English name) Streptopus streptopoides var. japonicus

Japanese: タケシマラン（英語表記）Streptopus streptopoides var. japonicus

This perennial plant of the lily family grows as undergrowth in subalpine coniferous forests in central and northern Honshu. It has a long underground rhizome that produces thin stems 20-50 cm tall that branch 2-3 times. The leaves are 5-10 cm long, broadly elliptical, entire, and pointed at the tip. The base of the stem does not form a sheath. In early summer, each leaf axil produces a small yellow-green six-petaled flower. The slender flower stalk is attached to the stem up to the base of the upper leaf, where it then detaches from the stem and hangs down. The fruit is a spherical berry that ripens red. Taxonomically, S. streptopoides , the parent species of this species, is a species widely distributed in the cool temperate zone of East Asia, is short at 15-30 cm tall, and rarely branches. The leaves also have thin columnar projections on their edges, and the plant grows in coniferous forests in Hokkaido, Japan.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

ユリ科の多年草で，本州の中部および北部の亜高山帯針葉樹林に下草として生じる。地下に長い根茎が走り，高さ 20～50cmの細い茎を出し，2～3回枝分れする。葉は長さ5～10cmの広楕円形で全縁，先はとがる。茎の基部は鞘状にはならない。初夏に，各葉腋に1個ずつ黄緑色の6弁の小花をつける。花柄は細く，1つ上の葉の基部近くまで茎に癒着したうえ，そこで茎から離れて垂れ下がる。果実は球形の液果で赤く熟する。分類学上，本種の母種とされるヒメタケシマラン S. streptopoidesは東アジアの冷温帯に広く分布する種で，背丈は 15～30cmと低く，ほとんど枝分れしない。また葉の縁に細い柱状の突起があり，日本では北海道の針葉樹林中に生じる。

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