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Source: Wikipedia
| Broad beech fern | |
|---|---|
| |
| Phegopteris hexagonoptera in spring | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Suborder: | Aspleniineae |
| Family: | Thelypteridaceae |
| Genus: | Phegopteris |
| Species: | P. hexagonoptera
|
| Binomial name | |
| Phegopteris hexagonoptera | |
| |
| Distribution | |
| Synonyms | |
|
Dryopteris hexagonoptera (Michx.) C. Chr. | |
Phegopteris hexagonoptera, commonly called the broad beech fern, is a common forest fern in the eastern United States and adjacent Ontario.[2][3] It grows from a creeping rootstock, sending up individual fronds that more or less clump. Its native habitat includes moist, undisturbed, hardwood forests.[4]
The fronds are broadly triangular. The specific name hexagonoptera refers to the winging of leaf tissue along the rachis between the basal pinnae.
Sori are small, round and naked. This aspect of the plant has caused it in the past to be placed, at first, in the genus Polypodium, then grouped with genus Dryopteris, then with the genus Thelypteris. Genetic analysis has shown the genus Phegopteris to be a sister clade to the rest of the thelypteroid ferns.
Rare hybrids with Phegopteris connectilis are known.
This fern makes an excellent garden plant, gradually filling in a bed.
References
[edit]- ^ "NatureServe Explorer 2.0 - Phegopteris hexagonoptera Broad Beechfern". explorer.natureserve.org. Retrieved 9 October 2020.
- ^ Tryon, RM (1936). "Ferns of the Dune Region of Indiana". American Midland Naturalist. 17 (2): 425–429. doi:10.2307/2419969. JSTOR 2419969.
- ^ Small, John (1975). Ferns of the vicinity of New York: being descriptions of the fern-plants growing naturally within a hundred miles of Manhattan Island, with notes. New York: Dover Publications. ISBN 0-486-23118-6.
- ^ "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2022-01-20.
Media related to Phegopteris hexagonoptera at Wikimedia Commons
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