4篇
您的检索式：作者名="Carlquist Sherwin"
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| 1 | Floral development of Nelumbo nucifera (Nelumbonaceae)显示文摘 | Hayes Virginia Schneider Edward L Carlquist Sherwin | 2000 | International Journal of Plant Sciences2000，，： | 1 |
| 2 | Vessels in ferns:Structural,ecological, and evolutionary significance 显示文摘 | SHERWIN CARLQUIST SCHNEIDER E L | 2001 | American Journal of Botany2001，88，1： | 1 |
| 3 | SEM studies on the vessels of heterophyllous species of Selaginella显示文摘 | SCHNEIDER EDWARD L SHERWIN CARLQUIST | 2000 | Journal of the Torrey Botanical Society2000，127，4： | 1 |
| 4 | Dispersal and adaptive radiation of Bidens(Compositae)across the remote archipelagoes of Polynesia显示文摘The genus Bidens(Compositae)comprises c.230 species distributed across five continents,with the 41 Polynesian species displaying the greatest ecomorphological variation in the group.However,the genus has had a long and complicated taxonomic history,and its phylogenetic and biogeographic history are poorly understood.To resolve the evolutionary history of the Polynesian Bidens,152 individuals representing 91 species were included in this study,including 39 of the 41 described species from Polynesia.Four chloroplast and two nuclear DNA markers were utilized to estimate phylogenetic relationships,divergence times,and biogeographic history.Bidens was found to be polyphyletic within Coreopsis,consistent with previous assessments.The Polynesian radiation was resolved as monophyletic,with the initial dispersal into the Pacific possibly from South America to either the Hawaiian or Marquesas Islands.From the Marquesas,Bidens dispersed to the Society Islands,and ultimately to the Austral Islands.The initial diversification of the crown group in the Pacific is estimated to have occurred^1.63 mya(0.74-2.72,95%HPD),making Polynesian Bidens among the youngest and most rapid plant diversification events documented in the Pacific.Our findings suggest that relatively rare long-distance dispersal and founder-event speciation,coupled with subsequent loss of dispersal potential and within-island speciation,can explain the repeated and explosive adaptive radiation of Bidens throughout the archipelagoes of Polynesia. | Matthew L.Knope Vicki A.Funk Melissa A.Johnson Warren L.Wagner Erin M.Datlof Gabriel Johnson Daniel J.Crawford JMauricio Bonifacino Clifford W.Morden David H.Lorence Kenneth R.Wood Jean-Yves Meyer Sherwin Carlquist | 2020 | Journal of Systematics and Evolution2020，58，6： | 0 |
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