div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentpolly-hill-arboretum-modified-stems-that-perform-the-same-photosynthetic-functionhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Polly Hill Arboretum · modified stems that perform the same photosynthetic function as needles In either case it is a unique adaptation whose origin lies along umbrella-pines long loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsusreader035viewer2022081617603d8c82fb8cc338e10b22a7html5thumbnails1jpg width=140 height=200 divdiv