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Dennstaedtiaceae : Pteridium aquilinum det. Robbin Moran 2021
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UNITED STATES: Missouri:: St. Louis Co. Missouri Botanical Garden, about 30 m W of Henry Shaw%92s Mausoleum., 2021.
Nectary (the dark elongated spot beneath the bifurcation of the petiole and the pinna.) that is now non-functional. The nectary represents a modified aerophore. The light-colored aerophore line can be seen running longitudinally along the rachis and (just barely) the costa at right. Photo taken 24 Sep 2021.
Copyright © 2021 by Robbin Moran (contact: kcn2[at]cornell.edu) [ref. DOL51205]
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Dennstaedtiaceae Pteridium aquilinum
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