`spring squill` flower - scilla verna

arboretum asparagaceae autumnalis blaustern bloom blossom blue botanic botanical botany bud bulb coastal cut europe flora flower flowered fruhling gallen garden green leaf lilac liliaceae lily natural nature peruviana petal plant purple saint sardensis scilla scilloideae siberica spring squill star stem swiss switzerland umbellata verna violet west western wildflower