Title Local Plants: Koyaboki (“Koya Broom”; Pertya scandens)

  • Kagawa
  • Tokushima
Topic(s):
$SETTINGS_DB.genreMap.get($item) National Parks/Quasi-National Parks
Medium/Media of Use:
Interpretive Sign
Text Length:
≤250 Words
FY Prepared:
2019
Associated Tourism Board:
setonaikaikokuritsukoentokushimakenchiikitagengotaiokyogikai

ここで見られる植物:コウヤボウキ(“Koya Broom”; Pertya scandens)

コウヤボウキは落葉性(季節的に落葉)の小低木で、森林、丘、山やその周囲の日当たりの良い場所で育ちます。瀬戸内海の反対側、和歌山県の高野山にある広大な寺院群を掃くのにお坊さんが採用した硬い箒の毛にコウヤボウキが使われたことから、その名がつきました。高さは約50cmから1mにおよび、細いながらに頑丈な枝をもちます。枝に沿って互生するハート形の葉の縁周りには、鋸歯がまばらについています。9月から10月の間には、本年枝の先に直径およそ1cmの頭花が咲きます。赤みがかった茶色の冠毛が先端部についた小さな種は、風であちこちに撒き散らされます。


Local Plants: Koyaboki (“Koya Broom”; Pertya scandens)

This small deciduous (seasonally shedding) shrub grows in sunny locations in and around woodlands, hills, and mountains. Koyaboki is used for the bristles of the stiff brooms employed by Buddhist monks to sweep the vast Koyasan temple complex in Wakayama Prefecture on the other side of the Seto Inland Sea, hence the name. It ranges in height from around 50 centimeters to 1 meter, and has slender but sturdy branches. The heart-shaped leaves that appear alternately along the branches have sparse teeth around their edges. From September to October, flowers with a diameter of roughly 1 centimeter bloom at the ends of the year’s new branches. The small seeds, which feature reddish-brown thistledown at the tips, are scattered here and there by the wind.


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