sympetalous

/sɪmˈpɛtələs/
adjective
  1. Having petals that are fused or joined together, forming a tube or bell shape (used to describe certain flowers).
    • The morning glory is a sympetalous flower with its petals fused into a trumpet shape.
    • Botany students learned to identify sympetalous plants by their united corollas.
    • Many sympetalous species, like tomatoes and potatoes, belong to the nightshade family.
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What does "sympetalous" mean? | whatsthatwordmean | whatsthatwordmean