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- W2139502661 abstract "•Amelanchier polyploid apomicts differ from sexual diploids in their more complex diversification, greater species problems, and geographic distribution. To understand these differences, we investigated the occurrence of polyploidy and frequency of apomixis. This research helps clarify species delimitation in an evolutionarily complex genus.•We used flow cytometry to estimate genome size of 1355 plants. We estimated the frequency of apomixis from flow-cytometrically determined ploidy levels of embryo and endosperm and from a progeny study using RAPD markers. We explored relationships of triploids to other ploidy levels and of ploidy levels to latitude plus elevation.•Diploids (32% of sample) and tetraploids (62%) were widespread. Triploids (6%) mostly occurred in small numbers with diploids from two or more species or with diploids and tetraploids. Seeds from diploids were 2% apomictic, the first report of apomixis in Amelanchier diploids. Seeds from triploids were 75% apomictic. We documented potential triploid bridge and triploid block from unbalanced endosperm and low pollen viability. Seeds from tetraploids were 97% apomictic, and tetraploids often formed microspecies. We did not find strong evidence for geographical parthenogenesis in North American Amelanchier. Most currently recognized species contained multiple ploidy levels that were morphologically semicryptic.•Documentation of numerous transitions from diploidy to polyploidy helps clarify diversification, geographic distribution, and the species problem in Amelanchier. Despite the infrequent occurrence of triploids, their retention of 25% sexuality and capacity for triploid bridge may be important steps between sexual diploids and predominantly apomictic tetraploids." @default.
- W2139502661 created "2016-06-24" @default.
- W2139502661 creator A5001933004 @default.
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- W2139502661 creator A5048855111 @default.
- W2139502661 creator A5083613966 @default.
- W2139502661 date "2014-08-01" @default.
- W2139502661 modified "2023-10-15" @default.
- W2139502661 title "Effects of apomixis and polyploidy on diversification and geographic distribution in <i>Amelanchier</i> (Rosaceae)" @default.
- W2139502661 cites W1489326049 @default.
- W2139502661 cites W150737198 @default.
- W2139502661 cites W1522406830 @default.
- W2139502661 cites W1758170934 @default.
- W2139502661 cites W1899420018 @default.
- W2139502661 cites W1912203980 @default.
- W2139502661 cites W1964210686 @default.
- W2139502661 cites W1973893931 @default.
- W2139502661 cites W1974335210 @default.
- W2139502661 cites W1976215839 @default.
- W2139502661 cites W1976413121 @default.
- W2139502661 cites W1977109994 @default.
- W2139502661 cites W1979162965 @default.
- W2139502661 cites W1990096071 @default.
- W2139502661 cites W1990636887 @default.
- W2139502661 cites W1993881638 @default.
- W2139502661 cites W1994151552 @default.
- W2139502661 cites W1996500038 @default.
- W2139502661 cites W2002168939 @default.
- W2139502661 cites W2008749029 @default.
- W2139502661 cites W2009873257 @default.
- W2139502661 cites W2012589662 @default.
- W2139502661 cites W2027981058 @default.
- W2139502661 cites W2028341933 @default.
- W2139502661 cites W2036696068 @default.
- W2139502661 cites W2051685757 @default.
- W2139502661 cites W2053144295 @default.
- W2139502661 cites W2056321500 @default.
- W2139502661 cites W2056397129 @default.
- W2139502661 cites W2067513533 @default.
- W2139502661 cites W2070057662 @default.
- W2139502661 cites W2081237415 @default.
- W2139502661 cites W2084063600 @default.
- W2139502661 cites W2085180042 @default.
- W2139502661 cites W2086234822 @default.
- W2139502661 cites W2088023274 @default.
- W2139502661 cites W2091222898 @default.
- W2139502661 cites W2094643717 @default.
- W2139502661 cites W2102790750 @default.
- W2139502661 cites W2103111028 @default.
- W2139502661 cites W2104566180 @default.
- W2139502661 cites W2105213578 @default.
- W2139502661 cites W2105634166 @default.
- W2139502661 cites W2115668043 @default.
- W2139502661 cites W2117715943 @default.
- W2139502661 cites W2120001185 @default.
- W2139502661 cites W2121012974 @default.
- W2139502661 cites W2127490915 @default.
- W2139502661 cites W2128016199 @default.
- W2139502661 cites W2129994112 @default.
- W2139502661 cites W2130093214 @default.
- W2139502661 cites W2131212430 @default.
- W2139502661 cites W2134859087 @default.
- W2139502661 cites W2136009275 @default.
- W2139502661 cites W2138564960 @default.
- W2139502661 cites W2145158079 @default.
- W2139502661 cites W2146793868 @default.
- W2139502661 cites W2146914590 @default.
- W2139502661 cites W2147419835 @default.
- W2139502661 cites W2150764984 @default.
- W2139502661 cites W2154310572 @default.
- W2139502661 cites W2156362927 @default.
- W2139502661 cites W2157093766 @default.
- W2139502661 cites W2158119702 @default.
- W2139502661 cites W2162920135 @default.
- W2139502661 cites W2165011900 @default.
- W2139502661 cites W2167947898 @default.
- W2139502661 cites W2168181269 @default.
- W2139502661 cites W2168557059 @default.
- W2139502661 cites W2169469410 @default.
- W2139502661 cites W2169888830 @default.
- W2139502661 cites W2171114940 @default.
- W2139502661 cites W2319413415 @default.
- W2139502661 cites W2324041999 @default.
- W2139502661 cites W2346870455 @default.
- W2139502661 cites W2504711171 @default.
- W2139502661 cites W2599200297 @default.
- W2139502661 cites W2800004731 @default.
- W2139502661 cites W28108177 @default.
- W2139502661 cites W2953779060 @default.
- W2139502661 cites W3028283073 @default.
- W2139502661 cites W378185513 @default.
- W2139502661 cites W4211216530 @default.
- W2139502661 cites W4236671098 @default.
- W2139502661 cites W4239401101 @default.
- W2139502661 cites W4240626620 @default.
- W2139502661 cites W4244109081 @default.