BOT 410 Lecture Web Page - LOV-9 |
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 Many orchids have aerial roots. They produce a multicellular covering called Velamen which makes the roots appear white when they are dry, & green when they are wet. |
 The Velamen as seen with Polarizing Optics Very Interesting! The function of the Velamen is not fully understood. |
 Some Roots are Photosynthetic. Why would this be advantageous? |