biostudies-literatureUnknown269Wang M<i>Impatiens tainingensis</i> J.-D.Lin & P.Li, <b>sp. nov.</b>, is described and illustrated. It was collected from a moist valley of Mt. Zhuangyuanyan, Fujian Province, in Southeastern China. It resembles <i>Impatiens platysepala</i> Y.L. Chen, <i>I. kuocangshanica</i> (X.F. Jin & F.G. Zhang) X.F. Jin & Y.L. Xu and I. huangyanensis subsp. attenuata X.F. Jin & Z.H. Chen in the gross morphology of their pinkish purple flowers but differs in having smaller lateral sepals, subsaccate-funnel form lower sepals, shorter spurs, and capsules. The molecular phylogeny of <i>Impatiens</i> based on plastome and ITS sequences indicated that <i>I. tainingensis</i> is closely related to <i>I. platysepala</i> and <i>I. wuyiensis</i> J.S. Wang, Y.F. Lu & X.F. Jin, but morphology, phylogeny, and plastome stPhytoKeys235-252https://www.ebi.ac.uk/biostudies/studies/S-EPMC12835872biostudies-literature<i>Impatiens tainingensis</i> (Balsaminaceae), a new species from southeastern China.PMC12835872Wang MLi JJin XLi PLin JLi Bfalse<i>Impatiens tainingensis</i> (Balsaminaceae), a new species from southeastern China.<i>Impatiens tainingensis</i> J.-D.Lin & P.Li, <b>sp. nov.</b>, is described and illustrated. It was collected from a moist valley of Mt. Zhuangyuanyan, Fujian Province, in Southeastern China. It resembles <i>Impatiens platysepala</i> Y.L. Chen, <i>I. kuocangshanica</i> (X.F. Jin & F.G. Zhang) X.F. Jin & Y.L. Xu and I. huangyanensis subsp. attenuata X.F. Jin & Z.H. Chen in the gross morphology of their pinkish purple flowers but differs in having smaller lateral sepals, subsaccate-funnel form lower sepals, shorter spurs, and capsules. The molecular phylogeny of <i>Impatiens</i> based on plastome and ITS sequences indicated that <i>I. tainingensis</i> is closely related to <i>I. platysepala</i> and <i>I. wuyiensis</i> J.S. Wang, Y.F. Lu & X.F. Jin, but morphology, phylogeny, and plastome st2026-01-01T00:00:00Z20262026-06-12T03:19:25.96Z2026-06-12T03:12:04.522ZS-EPMC128358724160852310.3897/phytokeys.269.173115