Pternopetalum

Japanese: Pternopetalum
Pternopetalum

...A delicate perennial herb of the Umbelliferae family, 10-20 cm tall, that grows on the mossy forest floor of subalpine mountains (illustration). The underground stem is thin and grows horizontally, with some parts thickening. There are 1-2 basal leaves at the base of the stem, which are twice pinnate and resemble ume leaves. There is one leaf in the middle of the stem, which is pinnately divided 1-2 times and has thin lobes about 1-2 cm long. The plant is completely hairless. The stem is thin and unbranched, and in early summer it bears a single umbel at the end. The umbel has 10-20 stalks, which are 2.5-3 cm long and bear 2-3 small white flowers at the end. ...

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…亜高山のコケの生えた林床に生える高さ10~20cmの繊細なセリ科の多年草(イラスト)。地下茎は細くて横にはい,ところどころ一部が太くなる。根出葉は茎の基部に1~2枚あり,2回羽状に分かれてセリの葉に似ている。茎の中央部に1葉あるが,この葉は羽状に1~2回分裂し,裂片は細くて長さ1~2cmぐらいである。全体に毛がない。茎は細くて分枝せず,初夏のころその先に1個の散形花序をつける。散形花序の柄は10~20本あり,長さ2.5~3cm,先に2~3個ずつ小さい白い花をつける。…

※「Pternopetalum」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

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>>:  Pterobranchia

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