
Cryosophila is a genus of medium-sized fan palms which range from central Mexico to northern Colombia. They can be readily distinguished from related genera by their distinctive downward-pointing stem-spines, which are actually modified roots. Cryosophila is a genus of medium-sized, single-stemmed (or rarely multi-stemmed) palms{rp|6} with fan-sha...
Found on
http://en.wikipedia.org/wiki/Cryosophila

(from the article `palm`) ...roots from the basal nodes of the stem. Most roots penetrate the ground, but, in some palms, adventitious roots may form a mound above ground or ...
Found on
http://www.britannica.com/eb/a-z/c/164
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