Henbit Deadnettle

Henbit Deadnettle🌿

Lamium amplexicaule

ホトケノザ

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シソ科HerbAnnualSpringReddish-purple flowersFields

A winter annual that forms dense colonies in fields and along roadsides in spring. Bears reddish-purple labiate (two-lipped) flowers. The Japanese name 'hotoke-no-za' (Buddha's seat) refers to the whorled leaves that resemble a lotus pedestal. Note: the 'hotokenoza' of the seven spring herbs refers to Lapsanastrum apogonoides, a different species.

Identification Points

  • Fan-shaped opposite leaves that clasp the stem
  • Reddish-purple two-lipped (labiate) flowers
  • Square stem cross-section (characteristic of Lamiaceae)
  • Forms colonies in fields and along roadsides in spring

Habitat

Fields, roadsides, vacant lots

Season

March to June (flowers)

3D Specimen Model

Kyushu University, Shikano Lab (CC0)

View on Sketchfab

Morphological TraitsAI-estimated, needs verification

Leaf arrangement

Opposite

Leaf type

Simple

Venation

Pinnate

Leaf margin

Serrate

Leaf shape

Ovate

Growth form

Herb

Petal count

5 petals

Petal fusion

Fused

Flower color

Purple

Flowering season

Spring

Habitat

Cultivated

Stipules

Absent

Ovary position

Superior

Compound type

Pinnate

Phylogenetic Positionシソ科

Phylogenetic Position

Angiosperms > Eudicots > Lamiales > Lamiaceae

Divergence Era

Late Cretaceous to Paleogene

View シソ科 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)内容の正確性は未確認。YList・Wikipedia等での点検が必要。

AI-generated, needs verification