Urajirotsugi - Urajirotsugi

…A deciduous shrub of the Buddleaceae family that grows on the banks of rivers in sunny mountainous areas. It is a poisonous plant that has an anesthetizing effect on fish. It grows to a height of 60-150cm and has winged branches. The leaves are opposite, oblong, and 8-20cm long. The flowers are borne in races on drooping spikes 10-30cm long at the ends of the branches, and bloom on one side from July to September. The flowers are tetrameric. The corolla is thin and tubular, 1.5-1.8cm long, reddish purple, and densely hairy. The ovary is superior and two-lobed, each with numerous ovules. The fruit is oblong and about 1cm long. …

*Some of the terminology that refers to "Urajiroutsugi" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…日当りのよい山地の河岸などにはえるフジウツギ科の落葉性の低木。有毒植物で，魚を麻酔させる作用がある。高さ60～150cm，枝に翼がある。葉は対生し，長楕円形，長さ8～20cm。花は，枝の先の長さ10～30cmで先のたれ下がった花穂に総状につき，7～9月に一方に偏って咲く。花は4数性。花冠は細い筒状で，長さ1.5～1.8cm，紅紫色，毛が密生する。子房は上位，2室で各室に多数の胚珠がつく。果実は長卵形，長さ約1cm。…

※「ウラジロウツギ」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