Pellaea truncata
Encyclopedia
Pellaea truncata is a species of fern
Fern
A fern is any one of a group of about 12,000 species of plants belonging to the botanical group known as Pteridophyta. Unlike mosses, they have xylem and phloem . They have stems, leaves, and roots like other vascular plants...

 known by the common name spiny cliffbrake. It is native to the southwestern United States and northern Mexico, where it grows in rocky areas, such as cliffs and slopes.

Description

The Pellaea truncata leaves are up to 40 centimeters long, the fertile leaves longer and more subdivided than the smaller, simpler sterile leaves. The leaf is composed of several leaflets which are each divided into several linear to oblong or pointed oval segments. The segments may have wavy edges, and the fertile ones have their edges rolled under. The sporangia
Sporangium
A sporangium is an enclosure in which spores are formed. It can be composed of a single cell or can be multicellular. All plants, fungi, and many other lineages form sporangia at some point in their life cycle...

are located under the edges.

External links

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