plants ephemerides. birthwort (corydalis solida)

beginning biotope birthwort blooming blossom blue botany conservation corydalis cropping decorative early eastern ephemera ephemeral ephemerides estonia europe first flora flower flowering flowers forest forests gardening herb herbaceous horticulture landscape light meadows mesophyte ornamental partlet perennial photophilous plant plants poland primrose renascent solida spring springtime typical wild wood woodland