A Fern © Jahangir Alam Onuchcha/Alamy
Ferns are members of the phylum Pterophyta. Different types can grow anywhere from 2 or 3 millimeters to 10 meters in height (6 J Stein). Ferns have horizontal rhizomes from which large leaves with extensive vascular systems grow. Fern leaves (fronds) are divided into many leaflets. The fronds grow in such a fashion that each one looks like the bigger lear, and is a scale image. This is a great natural example of the chaos theory of mathematics, which deals with patterns like the fern. Western sword fern, a single leaf with leaves spaced evenly up the stem. Polystichum munitum.
Size: 4752px × 3168px
Location: Manikgonj, Dhaka, Bangladesh
Photo credit: © Jahangir Alam Onuchcha / Alamy / Afripics
License: Royalty Free
Model Released: No
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