2011-10-18 Vienna X. district (175 msm Quadrant 7864/4).German name: Gewhnlich-GraukresseVery typical: the (transparent) partition between seeds only becomes visible when seeds are ripe - they make for this 'window-like' appearance of seed vessels which do look quite different when they're still closed.Also check other photos
(photo #1) (photo #2) from different angles.