2. Lycium chinense Mill. (China) – A very rare escape from or relic of cultivation. Lycium chinense has been recorded in abundance at least since the 1930’s on the borders of river Schelde in Gent (near Stropkaai); now gone, probably as a result of infrastructural works. Also recorded in a hedge in Kessel-Lo in 1946 and reported as self-sown in a garden in Hasselt since 1990. In 2010 also recorded on waste land (neglected woodland) in Geel (see also: http://waarnemingen.be/waarneming/view/49559309). Most records were initially erroneously ascribed to Lycium barbarum.
Certainly confused with Lycium barbarum but much rarer in cultivation and as an escape.
According to some authors (e.g. Paclt 2016) this species and Lycium barbarum are best considered conspecific.
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Selected literature:
Paclt J. (2016) Lycium chinense Mill. - ein Synonym von Lycium barbarum L.? Mitt. Deutsch. Dendrol. Ges. 101: 167-170.
Schmid M. (2005) Untersuchung zur neophytischen Gehölzflora im Stuttgarter Stadtgebiet. Jh. Ges. Naturkde. Württemberg 161: 178-257.