Obsessed gardener looking for an old variety...

Begonia 'Gloire de Lorraine' (American Gardening, 1900)

Obsessed gardener looking for an old variety of Begonia, 'Gloire de Lorraine'.

Described by Buckner Hollingsworth in Gardening on Main Street (1968) ~

"From a tight cushion of bright green foliage a great many lax stems emerged, each tipped with only two flowers, but when these fade and fall the stem lengthens and two more flowers