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Shepherd's Purse🌼
Capsella bursa-pastoris
ナズナ（ペンペングサ）
One of the seven herbs of spring (nanakusa). A winter annual found along roadsides and in fields. Bears small white 4-petaled flowers and distinctive triangular seed pods (silicles). The Japanese nickname 'penpen-gusa' derives from the shape of the fruit.
Identification Points
- ✓Triangular (inverted heart-shaped) silicles
- ✓Small white 4-petaled flowers in a raceme
- ✓Basal leaves form a rosette and are deeply lobed
- ✓Cauline leaves clasp the stem
Habitat
Roadsides, fields, parks, vacant lots
Season
February to June (flowers)
3D Specimen Model
Kyushu University, Shikano Lab (CC0)
View on Sketchfab→Morphological TraitsAI-estimated, needs verification
Leaf arrangement
Alternate
Leaf type
Simple
Venation
Pinnate
Leaf margin
Serrate
Leaf shape
Ovate
Growth form
Herb
Petal count
4 petals
Petal fusion
Free
Flower color
White
Flowering season
Spring
Habitat
Roadside
Phylogenetic Positionアブラナ科 →
Phylogenetic Position
Angiosperms > Eudicots > Core eudicots > Brassicales > Brassicaceae
Divergence Era
Late Cretaceous to Paleogene
Sources & References
AI-generated, needs verification