div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=90-1-the-gain-in-petal-width-was-smallest-near-the-midvein-and-in-creased-towardhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: 90-1The gain in petal width was smallest near the midvein and in- creased toward the petal margins Fig 2B During expansion the length to width ratio of the petals remained constant loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220516056008a6b23d8de5364c4637a1html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=90-1-the-gain-in-petal-width-was-smallest-near-the-midvein-and-in-creased-towardhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: 90-1The gain in petal width was smallest near the midvein and in- creased toward the petal margins Fig 2B During expansion the length to width ratio of the petals remained constant loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220516056008a6b23d8de5364c4637a1html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=90-1-the-gain-in-petal-width-was-smallest-near-the-midvein-and-in-creased-towardhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: 90-1The gain in petal width was smallest near the midvein and in- creased toward the petal margins Fig 2B During expansion the length to width ratio of the petals remained constant loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220516056008a6b23d8de5364c4637a1html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=90-1-the-gain-in-petal-width-was-smallest-near-the-midvein-and-in-creased-towardhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: 90-1The gain in petal width was smallest near the midvein and in- creased toward the petal margins Fig 2B During expansion the length to width ratio of the petals remained constant loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220516056008a6b23d8de5364c4637a1html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=90-1-the-gain-in-petal-width-was-smallest-near-the-midvein-and-in-creased-towardhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: 90-1The gain in petal width was smallest near the midvein and in- creased toward the petal margins Fig 2B During expansion the length to width ratio of the petals remained constant loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220516056008a6b23d8de5364c4637a1html5thumbnails5jpg width=140 height=200 divdiv