湖南树木三新种

<正>1.石门鹅耳枥新种图版i∶1carpinusshimenensisc.j.qi,sp.nov.speciesinsignis,abomnibusspeciebusgenerisfoliislateellipticis,vellateovatooblongis,minoribus,3-5cmlongis,2-3cmlatis,margineacutedentato-duplica-to-serratis,nervislateralibus11-13jugis,supramanifesteimpressis,subtusconspicueelevatis,densevillosis,bracteisfrucferissemiovatisvelsemiovato-rotundis,extramarginedentato-lobatis,intramarginebasiauritisfaciledistinguibilis.arbordeciduaalta5m,trunco20cmdiametro;ramulijuvenalesatro-grisei,deindelaetebrunnei,internodiisbrevissimis.foliapapyracea,elliptica,velovato-elliptica,3-5cmlonga,2-3cmlata,apiceabrupteacura,obtusavelaliquantumrotunda,basicordata,aliquantumobliqua,supraadpressebyssaceo-villosa,nervislateralibusutrinsecus11-13,distantioninervi2-3mm,cumcostissupraimpressis,subtusmanifesteelevatis,margineirregulariterdentato-duplicato-serratis,serraturisabrupteacutis;petiolibreves,crassi,4-11mmlongi,densevillosi;stipulaepersistentes,circ.7mmlongae,rubrobrunneae.spicafructifera3-3.5cmlonga,inrhachidivillosae;nuculaeovato-rotundae,circ.4mm