div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb 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 src=https:reader034vdocumentssitereader034viewer20220516056008a6b23d8de5364c4637a1html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb 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 src=https:reader034vdocumentssitereader034viewer20220516056008a6b23d8de5364c4637a1html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb 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 src=https:reader034vdocumentssitereader034viewer20220516056008a6b23d8de5364c4637a1html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb 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 src=https:reader034vdocumentssitereader034viewer20220516056008a6b23d8de5364c4637a1html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb 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 src=https:reader034vdocumentssitereader034viewer20220516056008a6b23d8de5364c4637a1html5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdiv