Branched hair in leaf stalk of water lily

Bildnummer 11536413
Branched hair in leaf stalk of water lily
False-colour scanning electron micrograph (SEM) of a branched trichome in a leaf stalk of the waterlily Nymphaea album. The waterlily has overcome the difficulty of getting air to its submerged roots by having large-diameter hollow tubes within the stalks. These tubes are connected directly to large air spaces in the leaves,which contribute to the plant's buoyancy. The tubes are lined with epidermal cells & studded with trichomes. In this case,the trichome is encrusted with crystals of poisonous calcium oxalate,which probably serves to deter inquisitive burrowing insects. Magnification: x36 at 35mm size. Green tint ("leech"). Reference: MICROCOSMOS,figure 4.17,page 75
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Burgess, Dr. Jeremy
Bildgröße: 5105 px × 3496 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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