The spirally arranged sporophyll of the
Horsetails (Equisetum arvense) are hollow-stemmed plants that anchor deep into the ground by an extensive, creeping root system.
A cone of a gymnosperm or of a seedless vascular plant such as a horsetail or a club moss. 2. Any of various similar structures, such as the female inflorescence ...
Horsetails are perennial plants, and they grow from underground systems of
rhizomes. Horsetails develop specialized structures known as a
May 12, 2015
Apr 13, 2015