Ashitaba

Image: Wikimedia Commons (See link for license)

Ashitaba🌿

Angelica keiskei

アシタバ

Share on X
セリ科HerbPerennialWild edibleMedicinalNative to Japan

A perennial in the carrot family, also called 'hachijō-sō'. Native to the Pacific coast of Japan (Izu Islands, Bōsō Peninsula, Kii Peninsula). The name 'ashitaba' ('tomorrow leaf') refers to its legendary vitality — new shoots appear the day after picking. Young leaves are eaten boiled, dressed, or tempura-fried. The specific epithet honors botanist Itō Keisuke. A seasonal word for spring.

Identification Points

  • Yellow sap (chalcones) exudes from cut stems and leaves
  • 2–3-times ternate-pinnate compound leaves with ovate serrated leaflets
  • Many small white flowers in compound umbels in summer

Habitat

Coastal grasslands and forest edges (Izu Islands etc.)

Season

August to October (flowers)

Morphological TraitsAI-estimated, needs verification

Leaf arrangement

Alternate

Leaf type

Compound

Growth form

Herb

Flower color

White

Habitat

Coastal

Phylogenetic Positionセリ科

Phylogenetic Position

Angiosperms > Eudicots > Apiales > Apiaceae

Divergence Era

Late Cretaceous to Paleogene

View セリ科 page🌿 View in taxonomy
📚野草図鑑(ナツメ社)📚山野草図鑑(朝日新聞出版)

Sources & References

📖Wikipedia 日本語版
🤖Claude AI生成(未確認)Wikipediaリードを根拠に生成。要確認。

AI-generated, needs verification