Answer: Zantedeschia is the botanical name for calla lily. The most commonly grow types are:
Zantedeschia aethiopica; the familiar white calla so often seen at florists.
Zantedeschia dbo-maculata; pale cream spathes, crimson at the base. Leaves are covered with translucent white spots.
Zantedeschia devonienst; snow-white and very floriferous.
You can find these and more through online sources and catalogs. Here's a place to start:
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