Observed using a 365nm UV light.

Also interesting is that the new growth on the cactus (in the top left of the picture) does not illuminate at all under the UV light, while the old growth glows a bright(ish) green.

by jkndrsn

6 Comments

  1. That’s pretty badass! Seriously cool post gorgeous cac flower!

  2. SpadfaTurds

    The new growth not having produced epicuticular wax (farina) yet would explain the difference under UV light

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