Dennstaedtia
Dennstaedtia is a mostly tropical and subtropical genus of ferns described as a genus in 1801.[1][2][3] Hayscented fern,[4] or Cup ferns,[5] are common names for some species in this genus. Its best-known member is probably the temperate North-American hay-scented fern, Dennstaedtia punctilobula (pictured in the taxobox), which forms extensive clonal ground-cover colonies on level surfaces in the Appalachian area.
| Dennstaedtia | |
|---|---|
 | |
| Dennstaedtia punctilobula | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Family: | Dennstaedtiaceae |
| Genus: | Dennstaedtia Bernh. |
| Type species | |
| Dennstaedtia flaccida (J.R.Forst.) Bernh. | |
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..."[6]
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.[7]
Species
Dennstaedtia christophelii holotype fossil
Species include:[8]
- D. ampla (Bak.) Bedd.
- D. anthriscifolia (Bory) Moore
- D. antillensis (Jenm.) C.Chr.
- D. appendiculata (Wall. ex Hook.) J.Sm.
- D. arborescens (Willd.) E.Ekman ex Maxon
- D. bipinnata (Cav.) Maxon
- D. canaliculata Alderw.
- †D. christophelii Pigg et al (Ypresian, NW North America)[9]
- D. cicutaria (Sw.) T.Moore
- D. coronata (Sod.) C.Chr.
- D. cuneata (J.Sm.) Moore
- D. d'orbignyana Kuhn
- D. davallioides (R.Br.) Moore
- D. delicata (F.v.Muell.) Alston
- D. dennstaedtioides Copel.
- D. deparioides Rosenst.
- D. dissecta (Sw.) Moore
- D. distenta (Kunze) T.Moore
- D. elmeri Copel.
- D. flaccida (Forst.) Bernh.
- D. fluminensis (Fée) C.Chr.
- D. fusca Copel.
- D. glabrata (Ces.) C.Chr.
- D. glauca (Cav.) C.Chr.
- D. globulifera (Poir.) Hier.
- D. hirsuta (Sw.) Mett. ex Miq.
- D. hooveri Christ
- D. incisa (Fée) Kuhn
- D. inermis (Baker) Brownlie
- D. kalbreyeri Maxon
- D. leptophylla Hayata
- D. lindsayiformis (Fée) C.Chr.
- D. macgregori Copel.
- D. madagascariensis (Kunze) Tardieu
- D. magnifica Copel.
- D. melanostipos Ching
- D. merrillii Copel.
- D. novoguineensis (Rosenst.) Alston
- D. obtusifolia (Willd.) T.Moore
- D. parksii Copeland ex Morton
- D. penicillifera Alderw.
- D. philippinensis Copel.
- D. producta Mett.
- D. punctilobula (Michx.) Moore
- D. remota (Christ) Diels
- D. resinifera (BI.) Mett. ex Kuhn
- D. rufidula C. Chr.
- D. samoensis (Brackenr.) Moore
- D. scabra (Wall. ex Hook.) Moore
- D. shawii Copel.
- D. smithii (Hook.) Moore
- D. spinosa Mickel
- D. sprucei Moore
- D. sumatrana Alderw.
- D. terminalis Alderw.
- D. tripinnatifida Copel.
- D. vagans (Bak.) Diels
- D. wercklei (H. Christ) R.M.Tryon
- D. williamsii Copel.
References
- 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.
- Flora of China, Dennstaedtia smithii
- The Plant List, search for Dennstaedtia
- Pigg, K. B.; DeVore, M. L.; Greenwood, D. R.; Sundue, M. A.; Schwartsburd, P.; Basinger, J. F. (2021). "Fossil Dennstaedtiaceae and Hymenophyllaceae from the Early Eocene of the Pacific Northwest". International Journal of Plant Sciences. 182 (9): 793–807. doi:10.1086/715633. S2CID 239036762.
External links
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