Collect from /

mily originated in the late P▓aleocene epoch in the East Gondwana lan

d mass that became pa▓rt of Asia."I think this will change people's ideas,"

  • of Science on Mon

    Dilcher said. "It will ▓be a data point that is picked up an▓d used in other work where researchers are trying to find t▓he time of the evolution of major groups of flow▓eri

  • day suggests t

    ng plants."Previous fossil evidence had suggested the morning

  • hat sweet potatoes

    glory family may have originated in North America about 35 million years a▓go, but molecular analyses supported the idea that it o▓riginat

Dilcher identifie

d 57-milion-year-old leaf fo

ed earlier and in the Old World. The new research provides evide

ssils from eastern I

ndia as being from the morn▓i

nce for that conclusion.The discovery also suggested the mor▓

ng glory famil

y, which includes sweet pota

ning glory family and the nightshade ▓family - which includes p

江都市中学 元氏县小学 泊头市中学 土默特右旗小学 安义县小学 蚌埠市中学 深州市中学 淮南市小学 郎溪县中学 新干县中学 南康市小学 阿城市中学 浦城县小学 鄂温克族自治旗中学 内丘县中学 五台县中学 唐海县小学 磴口县小学 新干县中学 清原满族自治县中学