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PeanutπΏ
Arachis hypogaea
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An annual in the pea family; standard Japanese name is 'Nankin-mame' (Nanking bean). Uniquely, after pollination the ovary stalk pushes into the soil, where the pods develop underground. The seeds are widely consumed as peanuts.
Identification Points
- βAfter flowering, gynophore pushes into the soil to fruit underground
- βYellow butterfly-shaped flowers in leaf axils
- βEven-pinnate compound leaves with 2 pairs of leaflets
Habitat
Cultivated (fields)
Season
July to August (flowers), September to October (harvest)
Morphological TraitsAI-estimated, needs verification
Leaf arrangement
Alternate
Leaf type
Compound
Growth form
Herb
Flower color
Yellow
Habitat
Cultivated
Phylogenetic Positionγγ‘η§ β
Phylogenetic Position
Angiosperms > Eudicots > Core eudicots > Fabales > Fabaceae
Divergence Era
Late Cretaceous to Paleogene (approx. 70β60 million years ago)
Sources & References
πWikipedia ζ₯ζ¬θͺηβ
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AI-generated, needs verification