In search of the first flower: A Jurassic angiosperm, Archaefructus, from northeast China
Sun, G (孙革); Dilcher, DL; Zheng, SL; Zhou, ZK
1998-11-27
发表期刊SCIENCE
ISSN0036-8075
卷号282期号:5394页码:1692-1695
摘要

Angiosperm fruiting, axes were discovered from the Upper Jurassic of China. Angiosperms are defined by carpels enclosing ovules, a character demonstrated in this fossil. This feature is Lacking in other fossils reported to be earliest angiosperms. The fruits are small follicles formed from conduplicate carpels helically arranged. Adaxial elongate stigmatic crests are conspicuous on each carpel. The basal one-third of the axes bore deciduous organs of uncertain affinities. No scars of subtending floral organs are present to define the individual fertile parts as floral units, but the Leaf-Like structures subtending each axis define them as flowers. These fruiting axes have primitive characters and characters not considered primitive.

语种英语
关键词[WOS]Fossil Flowers ; Reproductive Structures ; New-jersey ; Plant ; Evolution ; Affinity ; Pollen ; Origin
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000077246600042
出版者AMER ASSOC ADVANCEMENT SCIENCE
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/1258
专题中国科学院南京地质古生物研究所
通讯作者Sun, G (孙革)
作者单位1.Acad Sinica, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
2.Univ Florida, Florida Museum Nat Hist, Gainesville, FL 32611 USA
3.Shenyang Inst Geol & Mineral Resources, Shenyang 110032, Peoples R China
4.Acad Sinica, Kunming Inst Bot, Kunming 650204, Peoples R China
推荐引用方式
GB/T 7714
Sun, G ,Dilcher, DL,Zheng, SL,et al. In search of the first flower: A Jurassic angiosperm, Archaefructus, from northeast China[J]. SCIENCE,1998,282(5394):1692-1695.
APA Sun, G ,Dilcher, DL,Zheng, SL,&Zhou, ZK.(1998).In search of the first flower: A Jurassic angiosperm, Archaefructus, from northeast China.SCIENCE,282(5394),1692-1695.
MLA Sun, G ,et al."In search of the first flower: A Jurassic angiosperm, Archaefructus, from northeast China".SCIENCE 282.5394(1998):1692-1695.
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