Anthurium angamarcanum and Anthurium marmoratum

Your help is needed in a little research project several of us are doing together with the assistance of Dr. Croat.  If you have a specimen you have tagged as either Anthurium angamarcanum or Anthurium marmoratum would you please photograph the following parts of your plant and post them or Aroid l:

1)  The adaxial (upper) leaf blade (please note the size of the blade and age of the plant if you know)
2)  The abaxial (lower) leaf blade  (please make sure we can see where the petiole joins the blade)
3)  The petiole (please note the shape and length of the petiole)
4)  The stem showing the nodes, internodes and roots if possible.  (Please note anything you can such as the color of the roots and the measurements between the internodes)
5)  The inflorescence if at all possible
6)  If you know for certain exactly where your plant originated in nature that information would be extremely helpful

It is currently Dr. Croat's determination the two species are one and the same but some recent discrepancies need to be resolved.  I will be using your photos with credit to you to create a special web page so we can attempt to better determine if these two species are one and the same or factually different.  There are a few plants floating around out there with the name A. angamarcanum and/or A. marmoratum that may in fact be unidentified species.  Although the natural variation of these aroid species may be the only different factor it is possible some new species have gone unidentified.  If you grow these you may have noticed these species can be observed with both pendent leaves that are elongated and hang downwards as well as those with cordate (heart shaped) leaves.  You may be able to help with this study by providing your photos. 


Thanks for your help!

Steve Lucas
www.ExoticRainforest.com

 
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