重庆高新区城市绿地自生植物种类与区系分析

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中图分类号： Q948.15 （20 文献标识码：A DOI编码：10.3969/j.issn.1006-6500.2025.08.006

Abstract：Togaininsightintothespecies，florstictypes，nddistributionofspontaneousplantsinurbangreenspacesinChongqing Hi-techIndustrialDevelopmentZone.Acomprehensivesurveyandstatisticalanalysiswereconductedonthespontaneousplantsin park green spaces， plaza green spaces，afiliated green spaces，and campus green spaces located in Chongqing Hi- techIndustrial DevelopmentZone.Floraanalysiswasalsoconductedontheseedplantstoprovidereferencesfortheintroductionanddomestication of gardenplants，souedvelomtdutiltionanspeonsuctiondgeespceteace.Atotalofsis spontaneousplantsbelonging to185generaand76familieswereidentifiedintheurbangrenspacsoftheHigh-tech Zoneof Chongqing，including1Ospeciesofpteridophytesbelongingto8gneraand7families，and233speciesofseedplantsbelogingto 177generaand69families.Thedominantfamilieswithmorethan1OspeciesincludedAsteraceae，Gamineae，andLamiaceae， accounting for 3.95% of the total families， 26.49% of the total genera，and 24.69% of the total species，respectively. From the perspectiveofthefloraof spontaneousseedplantfamilies，thedistributionpaternshowedbothrichnessandconcentration，with worldwide and pantropical distributions being the most prominent，accounting for 75.35% of all families.The remaining four types and five variations accounted for only 24.65% of the total families.From the perspective of the flora of spontaneous seed plant genera， the distributionpateasailyoncetratedinantropical，worldwie，ndorthtmpeatedistribtios，withaotaloflga accounting for 57.06% of the total genera.In urban landscape construction，priorityshould be given to plants with worldwide， pantropicaldthpatesrtisieslantiouiomiaelotd theyhavehighsurvivalratesandgoodlandscapeefects.Inthemaintenanceandmanagementofurbangreenspaces，iisncsary tostrengthenthemonitoringofplantswithworldwideandpantropicaldistributionstopreventthemfromescapingregulatorycontrol and appearing in large areas as spontaneous plants，which may affect the landscape effect of urban green spaces.

Keywords：urbagreenspace；spotaneousplants;speiescomposition;floracaracteistics;ChongqingHi-techInustrialevelop ment Zone

自生植物主要指未经人工播种繁殖、栽培养护等管理措施而自发传播、定居、生长的植物类群1-2]。（剩余9570字）