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Fouquieria diguetii   

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Fouquieria diguetii
Fouquieria diguetii
Photographer: Aaron Schusteff

ID: 0000 0000 0209 1453 (2009-02-16)

Copyright © 2009 Aaron Schusteff

  • date of photo  Jan 1, 2007
  • location   Off road to Bahia de Los Angeles (Baja California Norte, Mexico)
  • family Fouquieriaceae
  • notes   Detail of stem, leaves, and spines of F. diguetii. Some references state the spines simply develop from a hardening of the petioles after the leaves abscise (i.e drop off). However, other references state the actual process is a bit more subtle. Namely, stem cortex tissue grows outward along the lower side of the petiole, and at the time of abscission the upper part of petiole peals off this cortex tissue (from above) and falls along with the leaf. The spines then develop from hardening of the projecting stem cortex tissue. The same process occurs in the well-known congener of this species, Ocotillo (Fouquieria splendens). Apparently this type of spine formation is unique to the family Fouquieriaceae.
  • camera   Shot on a Canon Digital Rebel XT at f6.3, 1/200, ISO 100, using a Canon 50mm macro lens.
  • photo category: Plant - tree/shrub

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  • The photographer's identification Fouquieria diguetii has not been reviewed. Click here to review or comment on the identification.

    Using this photo   The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the photo is clearly credited with © 2009 Aaron Schusteff. For other uses, or if you have questions, contact Aaron Schusteff arbonius2[AT] (Replace the [AT] with the @ symbol before sending an email.)


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