Matthiola arborescens Sternb. - Brassicaceae \\ perennial white stock, white tree stock 'Alba' (Matthiola arborescens var.alba), **Strauch-Levkoje** Perennial plant or subshrub, frequently grown as garden plant; flowers purple or white (var.alba), fragrant. \\ Flower scent similar to [[matthiola_incana_l._w.t.aiton|Matthiola incana]] and [[erysimum_cheiri_l._crantz|Erysimum cheiri]]. {{strauchlevkoje2020.jpg}} \\ Matthiola arborescens var.alba, [[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]], Author: Andreas Kraska