Dennstaedtia is a mostly tropical and subtropical genus of ferns described as a genus in 1801.[2][3][4]hayscented fern,[5] or cup ferns,[6] are common names for some species in this genus. It includes 58 species native to the tropical Americas, Madagascar, southern and eastern Asia, Australia, New Guinea, and the Pacific Islands.[1]
Some characteristics of Dennstaedtia: "Fronds homomorphic; stipe grooved above, hairy when young... lamina triangular to oblong, many times pinnate, usually densely hairy, especially on rachis... Veins free, pinnately branching, veinlet not reaching margin, with hydathode at apex. Sori orbicular, marginal, terminal on each veinlet, separate..."[7]
The temperate North-American hay-scented fern, Sitobolium punctilobulum, was formerly classified in Dennstaedtia and may have been its best-known member. It forms extensive clonal ground-cover colonies on level surfaces in the Appalachian area.[8]
Groove on the stipe.D. smithii, with a vertical white line on either side of the groove.
Sori and pinnules.D. smithii
Fronds multipinnate. D. smithii
A fern in the Dennstaedtia can reach two meters in height such as D. smithii.[9]
^ abDennstaedtia Bernh. Plants of the World Online. Retrieved 22 January 2024.
^Bernhardi, Johann Jakob. 1801. Journal für die Botanik 1800(2): 124
^Tropicos, Dennstaedtia Bernh.
^"碗蕨属 Dennstaedtia|iPlant 植物智——植物物种信息系统". www.iplant.cn. Retrieved 30 July 2022.
^USDA, NRCS (n.d.). "Dennstaedtia". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 13 August 2016.
^Joe, Barbara (June 1965). "Cup Ferns (Dennstaedtia) Cultivated in California". American Fern Journal. 55 (2): 58–62. doi:10.2307/1546136. JSTOR 1546136.
^"碗蕨属 Dennstaedtia|iPlant 植物智——植物物种信息系统". www.iplant.cn. Retrieved 30 July 2022.
^Sitobolium punctilobulum (Michx.) Desv. Plants of the World Online. Retrieved 22 January 2024.
Dennstaedtia is a mostly tropical and subtropical genus of ferns described as a genus in 1801. hayscented fern, or cup ferns, are common names for some...
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either small, round intramarginal sori with cup-shaped indusia (e.g. Dennstaedtia) or linear marginal sori with a false indusium formed from the reflexed...
blueberry (Vaccinium spp.), white oak (Q. alba), eastern hayscented fern (Dennstaedtia punctilobula) and sweetfern (Comptonia peregrina) combined, and on ground...
hispida), meadow zizia (Zizia aptera), and eastern hayscented fern (Dennstaedtia punctilobula). Britton, N.L., and A. Brown. 1913. An illustrated flora...
Avilés, Z. (May 2014). "Gametophytic Phase of Two Neotropical Ferns, Dennstaedtia globulifera (Poir.) Hieron and Hypolepis poeppigii Mett. ex Maxon (Dennstaedtiaceae)"...
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Global Information
Groove on the stipe.D. smithii, with a vertical white line on either side of the groove.
Sori and pinnules.D. smithii
Fronds multipinnate. D. smithii![A fern in the Dennstaedtia can reach two meters in height such as D. smithii.[9]](//upload.wikimedia.org/wikipedia/commons/thumb/2/25/%E5%8F%B8%E6%B0%8F%E7%A2%97%E8%95%A8_Dennstaedtia_smithii_20220716183935_09.jpg/90px-%E5%8F%B8%E6%B0%8F%E7%A2%97%E8%95%A8_Dennstaedtia_smithii_20220716183935_09.jpg)
A fern in the Dennstaedtia can reach two meters in height such as D. smithii.[9]
![A fern in the Dennstaedtia can reach two meters in height such as D. smithii.[9]](http://upload.wikimedia.org/wikipedia/commons/thumb/2/25/%E5%8F%B8%E6%B0%8F%E7%A2%97%E8%95%A8_Dennstaedtia_smithii_20220716183935_09.jpg/90px-%E5%8F%B8%E6%B0%8F%E7%A2%97%E8%95%A8_Dennstaedtia_smithii_20220716183935_09.jpg)