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Hardy Begonia
Begonia grandis subsp. evansiana
シュウカイドウ
A perennial native to China and Southeast Asia that has naturalized throughout Japan. It produces pale pink flowers from summer to autumn. The asymmetrical leaves are a hallmark of the genus Begonia.
Identification Points
- ✓Leaves are asymmetrical (left and right halves differ in size), with reddish undersides
- ✓Pink flowers; monoecious with separate male and female flowers
- ✓Produces bulbils in leaf axils for vegetative reproduction
Habitat
Forest edges, gardens, roadsides, and stone walls (semi-shade)
Season
August–October (flowers)
Morphological TraitsAI-estimated, needs verification
Growth form
Herb
Flowering season
Summer–Autumn
Leaf arrangement
Alternate
Venation
Palmate
Stipules
Present
Ovary position
Inferior
Plant sex
Monoecious
Compound type
Palmate
Phylogenetic Positionシュウカイドウ科 →
Phylogenetic Position
Angiosperms > Eudicots > Core eudicots > Cucurbitales > Begoniaceae
Divergence Era
Late Cretaceous to Paleogene (from about 70 million years ago)
Evolution Notes
Begoniaceae is nearly monogeneric, consisting almost entirely of the genus Begonia, with about 2,000 species distributed mainly in the tropics.
View on evolution timeline →Sources & References
AI-generated, needs verification