晚第三纪武汉地区的化石木对当地古气侯的指相

研究了我国地质年代为晚第三纪，地理位置在湖北省武汉市新洲县阳逻镇２２个树种的化石木其中裸子植物７种，被子植物１５种。中国被子植物化石木是笔者１９８７年首镒发掘和鉴定的。武汉地区发掘的这１５种均是热带或亚热带的被子植物，特别是苏木科的顶果木蝶蝶形花科的海南红豆和大戟科的秋枫更是武汉地区今日未见的典型热带阔叶树种。

THE LATE TERTIARY CLIMATE IN WUHAN AREA RECOGNIZED BY FOSSIL WOODS

Twenty-two species(7 gymnosperm and 15 angiosperm)of fossil woods excavated from northern part of Yanglou Town,Xinzhou County,the City of Wuhan,HubeiProvince were studied. The angiosperm fossil woods foers discovered and identified asthe first record in China. These 15 angiosperm species are modernly distributed in tropical or suptropical zone. Among them, Bischofia polycarpa Airy-Shaw of the Euphorbiaceae,Acrocarpus fraxinifolius Arn. ex Wight of Caesalpiniaceae and Ormosia pinnataMerr. of Papilionaceae are distributed in tropics and have disappeared in Wuhan area atpresent. It is strongly proved that the climate in Wuhan area was more scorching and humid at the ancient times than it is at the modern times.