Impatiens parviflora (small-flowered touch-me-not)
Balsaminaceae (balsam family)
Herbaceous annual, up to 60 cm in height, with succulent glassy stems, oval to lanceolate leaves and yellow spurred flowers. Ballistic dispersal by fruit catapulting seeds (ballochory), these edible seeds fly to a distance of 3 meters.
Released into the wild in the 19th century from several botanical gardens, now widespread in Central Europe. At the time of National Socialism, it was considered a Mongol invader that had to be combated in order to prevent the »bolshevization« of native flora.
Neophyte in Germany and in many other areas of Europe – one of the few that occur in subnatural forests. Stems from Northeast Asia, where its natural habitat includes parts of Siberia and Mongolia.
Galium odoratum (sweet woodruff)
Rubiaceae (madder family)
Perennial wintergreen forest plant with subterranean foothills, 15–30 cm high, with whorled leaves and small white flowers. Spread by foothills, animals and humans.
Index species of the woodruff beech forest widespread in southern Germany, forming large colonies. Low toxicity plant, contains coumarin, which is released during wilting. Previously used to flavor drinks (punch, syrup). Meanwhile, the typical woodruff flavor is chemically reproduced in food.
Indigenous to Central Europe, neophyte in North America. Its natural area covers almost the whole of Europe, parts of Asia and northwest Africa.