The spores of pteris cretica complex pteridaceaepteridophyta in. Pteris ensiformis or silver lace fern, slender brake fern is from south east asia, pteris argyraea is the silver brake fern. A comparison of arsenic mobility in phaseolus vulgaris, mentha. Mechanisms of arsenic hyperaccumulation in pteris vittata. Arsenic distribution at the whole plant fronds and cellular level was investigated using chemical analyses.
Pteris ferns and modern calligraphy custom edited save the date digital download hiresolution pdf, green pteris fern, watercolor ferns clairdelunepixelart 4. The second sub phenon has free veins in the lobes comprising species. Some of these ferns are popular in cultivation as houseplants. Pteris vittata, commonly known variously as the chinese brake, chinese ladder brake, or simply ladder brake, is a fern species in the pteridoideae subfamily of the pteridaceae. Pteris longifolia, the longleaf brake is a species of fern in the pteridoideae subfamily of the pteridaceae. Show all show tabs longleaf brake general information. An pteris in nahilalakip ha familia nga pteridaceae. The plants database includes the following 26 species of pteris. Click below on a thumbnail map or name for species profiles. Additionally, pteris species with pinnate laminae and free veins, including p. Pteris vittata is the first plant reported to be a hyperaccumulator of arsenic as, and little is known about the mechanisms of as hyperaccumulation in this plant.
Media in category pteris the following 14 files are in this category, out of 14 total. The key to growing good pteris is to provide enough humidity and bright, filtered light to keep the plant thriving. The plant list includes a further 82 scientific plant names of infraspecific rank for the genus pteris. Pityrogramma, or the gold and silverbacked ferns, consists of about 16 tropical species, which are occasionally. Pdf molecular phylogeny and biogeography of the fern genus. These smaller species are often called table ferns. Compared to the 34% level of polyploidy in all leptosporangiate ferns, polyploid speciation is apparently. The record derives from tropicos data supplied on 20120418 which reports it as an accepted name record 26602467 with original publication details. Pteris ferns, plants and species pteris fern nurseries. Distinguished from all other pteris indigenous and naturalised in new zealand except p. Lay and collie, and other officers of the expedition, during the voyage to the pacific and behrings 19783050494. The type specimen was collected in china by pehr osbeck.
Pteris ferns are varied, pteris cretica is the cretan brake fern or table fern. Pdf background and aims pteris pteridaceae, comprising over 250. The largest genus, pteris brakes, consists of about 300 species distributed throughout tropical and warm temperate parts of the world and is known for the large number of hybrids between various species. Pteridophyte definition of pteridophyte by the free. Furthermore, several infrageneric morphological classifications have. It grows outdoors in any chalk free, moist but welldrained soil with plenty of added leafmould in part shaded to full shaded positions. Systematic revision of pteris and ecology of ferns in. The plant list includes 836 scientific plant names of species rank for the genus pteris. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. The second sub phenon has free veins in the lobes comprising species, which are widely distributed in. These are primarily included because names of species rank are synonyms. The spore morphology including surface texture, size, shape and length of the spores provides a useful character to distinguish the genera and species of family pteridaceae 2.
Arsenic hyperaccumulation in gametophytes of pteris. Dont think this is any type of insect problem or any type of problem, its a. Photosynthetic electrontransfer reactions in the gametophyte of pteris multifida reveal the presence of allelopathic interference from the invasive plant species bidens pilosa. The primary differences are in the degree of rachis pubescence denser in p. Department of agriculture agricultural research service. Pdf as a result of studies on neotropical pteris l. Among the 106 pteris species examined, 43 40% are diploid, the most common cytotype in this genus figure 1. Of the 78 chinese species of pteris, most occur mainly in s and sw china, with a few species in e china south of the qin ling. The information presented is presently mostly based on herbarium sheet labels and. We do not intend the plant list to be complete for names of infraspecific rank. Plants profile for pteris longifolia longleaf brake. The type of pteris multifida is from a cultivated plant at the botanical garden in paris.
List of pteris species synonyms, list of pteris species pronunciation, list of pteris species translation, english dictionary definition of list of pteris species. Pteris is a genus of ferns usually sold as houseplants because they are native primarily in tropical and subtropical regions of the world. Pteris vittata commonly known as brake fern was discovered to have the ability to hyperaccumulate absorb large amounts of arsenic from soil. Pteris large genus of terrestrial ferns of tropics and subtropics. Hyperaccumulation of as by plants has been identified as a valuable trait for the development of a practical phytoremediation processes for removal of this potentially toxic trace element from the environment. Annual catalogue 1900 native and exotic plants, trees, shrubs 1900 205489952.
The fern was growing at a central florida site contaminated with large amounts of copper arsenate in the soil. It is indigenous to asia, southern europe, tropical africa and australia. Pteris vittata is a hyperaccumulator of arsenic, and its sporophyte and gametophyte tissues. These signs include brown leaf margins and dropping leaves, although some leaf drop is typical. Spore morphology and its systematic implication in pteris ncbi.
Arsenic hyperaccumulation by different fern species zhao. Pteris cretica, commonly called cretan brake fern, ribbon fern or table fern, is a slowgrowing evergreen fern that typically rises to 1824 tall and as wide. Article pdf available november 2016 with 563 reads. Pteris cretica plant finder missouri botanical garden. However, the relationships between the type species of the genus pteris, p. Our aim was to test whether as hyperaccumulation occurs in other fern species, and whether p. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. The record derives from tropicos data supplied on 20120418 which reports it as an accepted name record 26602467. Our mission has been to search for and introduce higher elevation, hardy forms of pteris ferns for sale, which will survive in regions with cold winter climates.
Changes in gametophyte physiology of pteris multifida induced by the leaf leachate treatment of the invasive bidens pilosa. Collaborative floristic effort of north american botanists plants. Interestingly, several lithophytic pteris species in other sections also possess coarse reticula on distal faces, such as p. Pteris bahamensis is often treated as a variety of p. Pteris ferns have fine leathery foliage are relatively easy to grow in a well lit but shaded area. Image credit to australian national botanic gardens.
In an 18d hydroponic experiment with varying concentrations of arsenate and phosphate, p. Both species are similar in having 1pinnateimparipinnate laminae, entire and linear pinnae, and free venation with simple or furcate veins. Pdf new records of pteris pteridaceae from the neotropics. The mechanisms of arsenic as hyperaccumulation in pteris vittata, the first identified as hyperaccumulator, are unknown. Pteris longifolia in the germplasm resources information network grin, u. College, utai, durg bdepartment of biotechnology and microbiology, bhilai mahila mahavidyalaya, bhilai.
Pteris longifolia wikispecies, free species directory. Furthermore, several infrageneric morphological classifications have been proposed, but. The sporophyte of the fern pteris vittata is known to hyperaccumulate arsenic as in its fronds to 1% of its dry weight. Pteris longifolia longleaf brake pteris lydgatei lidgates brake pteris multifida spider brake pteris. List of pteris species definition of list of pteris. Arsenic distribution and speciation in the fronds of the. Usda, ars, germplasm resources information network. Copeland, 1947, and this result has been accepted by such taxonomists as alston 1956, and others.
The picture above is a close up of a leaflet displaying what is called spores. Pteris vittata was the first identified arsenic as hyperaccumulator. In pteris longifolia, however, the pinnae are articulated to the rachis, whereas in p. Outer spore layers of adiantum pedatum and pteris vittata outer spore layers of adiantum pedatum l. Arching pale green fronds, each with 15 pairs of simple or forked pinnae. Spore morphology in the pteris cretica complex, including pteris brasiliensis, p. These materials are freely provided for instructional and educational purposes. Several other fern species, including pityrogramma calomelanos visoottiviseth et al. Other plants such as indian mustard and tomato have also been. They like a steady supply of water and average temperatures, but will quickly show signs of stress in very dry environments. University of california publications in geological sciences 76. Genus pteris can be evergreen, semievergreen or deciduous ferns, with short or long rhizomes and fronds that may be pinnate to 4pinnate. It concentrates arsenic in aboveground biomass, which is a primary requirement for efficient phytoremediation. Pteris longifolia, the longleaf brake is a species of fern in the pteridoideae subfamily of the.
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