Botanisch-geologische Spaziergänge in der Umgegend von Berlin

New Jurassic cycads from the Upper Amur

“…The Amur sample is perceptibly different from such extreme forms. The character of variability in the leaves of this species can be observed only in the European specimens (Schenk, 1867;Gothan, 1914), which are discussed in this case for purposes of comparison. --Auth.…”

“…67). Such bunches of leaves, in the opinion of Nathorst (1909) and Gothan (1914) were arranged in the form of a pappus on the apices of the stem, which probably branched a second time.…”