我国山茱萸科植物资源及其园林应用前景

山茱萸科植物种类繁多,在我国各地广泛分布,可观姿、观干、观花、观叶、观果,并有花果生于叶上的奇观,是一类多用途的极具发展潜力的园林植物。介绍了我国山茱萸科植物的主要种质资源及其分布,阐述了常见种类的优良性状,分析了其作为独赏树、花灌木、植篱、湿地绿化树种、行道树、庭荫树等的园林应用前景,指出应开展和完善山茱萸科植物资源的搜集保存和研究利用工作,以尽快选育出更优良的树种供园林造景之用。

Paleocene Wuyun Flora in Northeast China: Amersinia and Beringiaphyllum of Cornaceae sensu

Specimens of Amersinia obtrullata and Beringiaphyllum pseudoantiquum in Paleocene Wuyun flora, Heilongjiang Province, Northeast China, were described and assigned to Cornaceae sensu. Infructescences formally allocated in Trochodendron sp. were reviewed and assigned to Amersinia obtrullata. Leaves described as Populus carneosa, Celastrophyllum subprotophyllum, Viburnum antiquum, V. asperum, Viburniphyllum finale, Protophyllum wuyunense, P. cf. haydenii, P. ovatifolium, Credneria inordinata were also restudied and assigned to Beringiaphyllum pseudoantiquum.