Brown Mustard

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Brown Mustard🌼

Brassica juncea

カラシナ

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アブラナ科HerbWinter annualVegetableSpiceNaturalized

A winter annual in the cabbage family. The seeds are the main source of mustard. The leaves are also eaten as a vegetable. Seiyō-karashina (naturalized after the Meiji era) forms vast yellow carpets on riverbanks in spring. Cultivated forms include takana, zha-cai, and nozawana.

Identification Points

  • Large pinnately lobed leaves forming a basal rosette
  • Bright yellow 4-petaled flowers in racemes
  • Long slender siliques

Habitat

Riverbanks, fields, roadsides (cultivated and naturalized)

Season

March to May (flowers)

Morphological TraitsAI-estimated, needs verification

Leaf arrangement

Alternate

Leaf type

Simple

Growth form

Herb

Petal count

4 petals

Flower color

Yellow

Flowering season

Spring

Habitat

Grassland

Phylogenetic Positionアブラナ科

Phylogenetic Position

Angiosperms > Eudicots > Core eudicots > Brassicales > Brassicaceae

Divergence Era

Late Cretaceous to Paleogene

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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