''Phegopteris connectilis'', commonly known as long beech fern, northern beech fern, and narrow beech fern, is a species of

fern A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes except t ...

native to forests of the

Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's Nort ...

. Unlike its close relative, ''

Phegopteris hexagonoptera ''Phegopteris hexagonoptera'', commonly called the broad beech fern, is a common forest fern in the eastern United States and adjacent Ontario. It grows from a creeping rootstock, sending up individual fronds that more or less clump. Its native h ...

'', which is terrestrial, this species is often epipetric as well as terrestrial. This species is normally apogamous, with a chromosome count of n=90 (triploid; "3n"=90).

Chemistry

The phenolic compounds 2,4,6-trihydroxybenzoic acid-4-O-2′,3′,4′,6′-tetraacetylglucoside; 2,4,6-trihydroxybenzoic acid-4-O-2′,3′,6′-triacetylglucoside; 2,4,6-trihydroxybenzoic acid-4-O-3′,4′,6′-triacetylglucoside; 3-O-p-coumaroylshikimic acid; 2-(trans-1,4-dihydroxy-2-cyclohexenyl)-5-hydroxy-7-methoxychromone;

kaempferol Kaempferol (3,4′,5,7-tetrahydroxyflavone) is a natural flavonol, a type of flavonoid, found in a variety of plants and plant-derived foods including kale, beans, tea, spinach, and broccoli. Kaempferol is a yellow crystalline solid with a meltin ...

; and

kaempferol-3-O-β-d-glucoside Astragalin is a chemical compound. It can be isolated from ''Phytolacca americana'' (the American pokeweed) or in the methanolic extract of fronds of the fern ''Phegopteris connectilis''.Phenolic constituents of the fernPhegopteris connectilis. Kla ...

can be isolated from the

methanol Methanol (also called methyl alcohol and wood spirit, amongst other names) is an organic chemical and the simplest aliphatic alcohol, with the formula C H3 O H (a methyl group linked to a hydroxyl group, often abbreviated as MeOH). It is a ...

ic extract of fronds of ''Phegopteris connectilis''.Adam, Klaus-Peter (November 1999). "Phenolic constituents of the fern ''Phegopteris connectilis''." ''Phytochemistry'' 52(5): 929–934,

References

External links

USDA PLANTS Profile
Flora of Korea Flora of North America Ferns of Europe Thelypteridaceae {{Polypodiales-stub