Uvularia perfoliata

These crowds of bellworts are thickening up through spreading stolons in the Woodland Garden. The pale primrose yellow flowers have a lovely twist at the base of the petals and hang in a cluster of just two or three flowers sheltered by a horizontally held principal perfoliate leaf, meaning the flower stem punctures the centre of the leaf.
As the flowers mature, the leaves lift up to reveal the green shoulders at the top of the petal which house the nectaries. We have this labeled as being in the Convallariaceae family but a quick internet search suggests it is a member of Liliaceae and/or Colchicaceae, serving to underline the importance of developing your own observation and deduction skills!

Either way, this beauty is native to north-east US.

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