- RECONSTRUCTING THE ANCESTRAL FEMALE GAMETOPHYTE OF ANGIOSPERMS: INSIGHTS FROM AMBORELLA AND OTHER ANCIENT LINEAGES OF FLOWERING PLANTS
[作者:Friedman, WE; Ryerson, KC,期刊:American Journal of Botany, 页码:129-143 , 文章类型: Article,,卷期:2009年96-1]
- For more than a century, the common ancestor of flowering plants was thought to have had a seven-celled, eight-nucleate Polygonum-type female gametophyte. It is now evident that not one, but in fact three, patterns of fe...
- XYLEM OF EARLY ANGIOSPERMS: NUPHAR (NYMPHAEACEAE) HAS NOVEL TRACHEID MICROSTRUCTURE
[作者:Carlquist, S; Schneider, EL; Hellquist, CB,期刊:American Journal of Botany, 页码:207-215 , 文章类型: Article,,卷期:2009年96-1]
- SEM studies of xylem of stems of Nuphar reveal a novel feature, not previously reported for any angiosperm. Pit membranes of tracheid end walls are composed of coarse fibrils, densest on the distal (outside surface, faci...
- EARLY CRETACEOUS MESOFOSSILS FROM PORTUGAL AND EASTERN NORTH AMERICA RELATED TO THE BENNETTITALES-ERDTMANITHECALES-GNETALES GROUP
[作者:Friis, EM; Pedersen, KR; Crane, PR,期刊:American Journal of Botany, 页码:252-283 , 文章类型: Article,,卷期:2009年96-1]
- Four new genera and six new species of fossil seed (Buarcospermum tetragonium, Lignierispermum maroneae, Lobospermum glabrum, L. rugosum, L. stampanonii, Rugonella trigonospermum) are described from five Early Cretaceous...
- BENNETTITALES FROM THE GRISETHORPE BED (MIDDLE JURASSIC) AT CAYTON BAY, YORKSHIRE, UK
[作者:Crane, PR; Herendeen, PS,期刊:American Journal of Botany, 页码:284-295 , 文章类型: Article,,卷期:2009年96-1]
- Middle Jurassic fossil plants from the Grisethorpe Bed at Cayton Bay and Grisethorpe Bay, Yorkshire, UK, are preserved in a soft claystone, and plant mesofossils recovered by sieving reveal excellent details of external ...
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