Cryptogramma acrostichoides
Encyclopedia
Cryptogramma acrostichoides is a species of fern
known by the common names American parsley fern and American rockbrake. It is native to most of western North America, where it grows in the cracks of rocks in many types of mountainous habitat.
Cryptogramma acrostichoides grows in a tuft from a rhizome
. There are two leaf types. The sterile leaf has flat, oval-shaped lobed leaflets resembling parsley
, and the fertile leaf is longer with narrow, thick, linear leaflets with their margins curled under to cover the sporangia
on the undersides.
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 names American parsley fern and American rockbrake. It is native to most of western North America, where it grows in the cracks of rocks in many types of mountainous habitat.
Cryptogramma acrostichoides grows in a tuft from a rhizome
Rhizome
In botany and dendrology, a rhizome is a characteristically horizontal stem of a plant that is usually found underground, often sending out roots and shoots from its nodes...
. There are two leaf types. The sterile leaf has flat, oval-shaped lobed leaflets resembling parsley
Parsley
Parsley is a species of Petroselinum in the family Apiaceae, native to the central Mediterranean region , naturalized elsewhere in Europe, and widely cultivated as an herb, a spice and a vegetable.- Description :Garden parsley is a bright green hairless biennial herbaceous plant in temperate...
, and the fertile leaf is longer with narrow, thick, linear leaflets with their margins curled under to cover 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...
on the undersides.