- SURVIVAL COSTS OF REPRODUCTION IN A SHORT-LIVED PERENNIAL PLANT: LIVE HARD, DIE YOUNG
[作者:Aragon, CF; Mendez, M; Escudero, A,期刊:American Journal of Botany, 页码:904-911 , 文章类型: Article,,卷期:2009年96-5]
- According to life-history theory, reproductive investments involve costs in terms of growth, future fecundity, and/or survival. However, studies to date have often failed to detect costs of reproduction, with survival co...
- INSIGHTS INTO RETICULATE EVOLUTION IN MACHAERANTHERINAE (ASTERACEAE: ASTEREAE): 5S RIBOSOMAL RNA SPACER VARIATION, ESTIMATING SUPPORT FOR INCONGRUENCE, AND CONSTRUCTING RETICULATE PHYLOGENIES
[作者:Morgan, DR; Korn, RL; Mugleston, SL,期刊:American Journal of Botany, 页码:920-932 , 文章类型: Article,,卷期:2009年96-5]
- Although reticulate evolution has been a frequent occurrence during the history of plants, determining how it has contributed to plant evolution will require analyzing many nuclear loci and developing effective analytica...
- SPATIAL GENETIC STRUCTURING OF BAOBAB (ADANSONIA DIGITATA, MALVACEAE) IN THE TRADITIONAL AGROFORESTRY SYSTEMS OF WEST AFRICA
[作者:Kyndt, T; Assogbadjo, AE; Hardy, OJ; Kakai, RG; Sinsin, B; Van Damme, P; Gheysen, G,期刊:American Journal of Botany, 页码:950-957 , 文章类型: Article,,卷期:2009年96-5]
- This study evaluates the spatial genetic structure of baobab (Adansonia digitata) populations from West African agroforestry systems at different geographical scales using AFLP fingerprints. Eleven populations from four ...
- PHYLOGEOGRAPHIC PATTERNS AND DEMOGRAPHIC HISTORY OF SCHIEDEA GLOBOSA (CARYOPHYLLACEAE) ON THE HAWAIIAN ISLANDS
[作者:Wallace, LE; Weller, SG; Wagner, WL; Sakai, AK; Nepokroeff, M,期刊:American Journal of Botany, 页码:958-967 , 文章类型: Article,,卷期:2009年96-5]
- Geomorphological changes have been demonstrated to have had profound impacts on biodiversity, often leading to demographic expansions and contractions and allopatric divergence of taxa. We examined DNA sequence variation...
- SYNTHETIC POLYPLOIDS OF TRAGOPOGON MISCELLUS AND T-MIRUS (ASTERACEAE): 60 YEARS AFTER OWNBEY'S DISCOVERY
[作者:Tate, JA; Symonds, VV; Doust, AN; Buggs, RJA; Mavrodiev, E; Majure, LC; Soltis, PS; Soltis, DE,期刊:American Journal of Botany, 页码:979-988 , 文章类型: Article,,卷期:2009年96-5]
- In plants, polyploidy has been a significant evolutionary force on both recent and ancient time scales. In 1950, Ownbey reported two newly formed Tragopogon allopolyploids in the northwestern United States. We have made ...
- A PRELIMINARY PHYLOGENY OF THE 'DIDYMOCARPOID GESNERIACEAE' BASED ON THREE MOLECULAR DATA SETS: INCONGRUENCE WITH AVAILABLE TRIBAL CLASSIFICATIONS
[作者:Moller, M; Pfosser, M; Jang, CG; Mayer, V; Clark, A; Hollingsworth, ML; Barfuss, MHJ; Wang, YZ; Kiehn, M; Weber, A,期刊:American Journal of Botany, 页码:989-1010 , 文章类型: Article,,卷期:2009年96-5]
- The 'didymocarpoid Gesneriaceae' (traditional subfam. Cyrtandroideae excluding Epithemateae) are the largest group of Old World Gesneriaceae, comprising 85 genera and 1800 species. We attempt to resolve their hitherto po...
- PHYLOGENETIC ANALYSIS OF SEXUAL SYSTEMS IN INULEAE (ASTERACEAE)
[作者:Torices, R; Anderberg, AA,期刊:American Journal of Botany, 页码:1011-1019 , 文章类型: Article,,卷期:2009年96-5]
- From an ancestor with bisexual flowers, plants with unisexual flowers, or even unisexual individuals have evolved in different lineages of angiosperms. The Asteraceae tribe Inuleae includes hermaphroditic, monoecious, di...
- MOLECULAR PHYLOGENETICS OF PRESCOTTIINAE SL AND THEIR CLOSE ALLIES (ORCHIDACEAE, CRANICHIDEAE) INFERRED FROM PLASTID AND NUCLEAR RIBOSOMAL DNA SEQUENCES
[作者:Alvarez-Molina, A; Cameron, KM,期刊:American Journal of Botany, 页码:1020-1040 , 文章类型: Article,,卷期:2009年96-5]
- The Andes are a cradle of orchid evolution, but most phylogenetic studies of Orchidaceae in this biodiversity hotspot have dealt with epiphytic epidendroid lineages. Here we present a study on neotropical, terrestrial, o...
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