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However, how the magnitude and direction of this response vary between invasive and native clonal plants under spatially heterogeneous herbivory remains unresolved. In this study, we subjected the invasive alligator weed,\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:italic>Alternanthera philoxeroides<\/jats:italic>\n                    <\/jats:styled-content>\n                    , and its native congener, sessile joyweed\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:italic>A. sessilis<\/jats:italic>\n                    <\/jats:styled-content>\n                    , to varying feeding position treatments by the flea beetle\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:italic>Agasicles hygrophila<\/jats:italic>\n                    <\/jats:styled-content>\n                    (damage to apical ramets, basal ramets, or both ramets) and herbivore\u2010free controls. We then examined the growth, biomass allocation, nitrogen (N) and\n                    <jats:sup>15<\/jats:sup>\n                    N partitioning in both plant species. Compared with the herbivore\u2010free controls, apical or basal herbivory reduced the fine\u2010root: tap\u2010root ratio of\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:italic>A. philoxeroides<\/jats:italic>\n                    <\/jats:styled-content>\n                    while increasing its root\u2010to\u2010shoot ratio and N concentrations in aboveground tissues. In contrast,\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:italic>A. sessilis<\/jats:italic>\n                    <\/jats:styled-content>\n                    exhibited significantly more fine roots and higher belowground N content compared to non\u2010herbivore conditions. Although over 80% of\n                    <jats:sup>15<\/jats:sup>\n                    N was directed to aboveground tissues in both species,\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:italic>A. philoxeroides<\/jats:italic>\n                    <\/jats:styled-content>\n                    preferentially allocated more\n                    <jats:sup>15<\/jats:sup>\n                    N to herbivore\u2010damaged tissues, whereas\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:italic>A. sessilis<\/jats:italic>\n                    <\/jats:styled-content>\n                    tended to direct\n                    <jats:sup>15<\/jats:sup>\n                    N away from herbivore\u2010damaged tissues. These results indicate that, compared to native clonal plants, clonal invaders like\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:italic>A. philoxeroides<\/jats:italic>\n                    <\/jats:styled-content>\n                    exhibit a more sophisticated dual resource\u2010allocation strategy in response to foliar herbivory, by allocating more resources belowground while partitioning more N aboveground to facilitate rapid recovery after herbivore attack. Our findings highlight the importance of considering both the direct effects of herbivory and the physiological mechanisms of clonal integration when developing management strategies against clonal invaders.\n                  <\/jats:p>","DOI":"10.1111\/ppl.70698","type":"journal-article","created":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T05:29:35Z","timestamp":1766986175000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Dual\u2010Strategy Resource Allocation in an Invasive Clonal Plant to Counter Foliar Herbivory for Rapid Recovery"],"prefix":"10.1111","volume":"178","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-1595-2707","authenticated-orcid":false,"given":"Yu","family":"Song","sequence":"first","affiliation":[{"name":"Guangxi Key Laboratory of Forest Ecology and Conservation, School of Forestry Guangxi University  Nanning 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