Evidence for exocellular arsenic in fronds of pteris vittata scientific. Mechanisms of arsenic hyperaccumulation in pteris vittata. Furthermore, the bioconcentration factor, defined as the ratio of shoot as concentration to soil as concentration, was greater than 10. An arsenic hyperaccumulating fern, pteris vittata l. Hybrid plants resemble a narrow, skeletonized form of p. Save our waterways now sown is a communitybased volunteer environment organization restoring habitat in brisbanes enoggera catchment. Karl kramer of zurich, at a stage when the manuscript was probably quite incomplete, so the pteris information can be.
Brief description amanda spooner, monday 20 october 1997. Pteris definition of pteris by the free dictionary. These signs include brown leaf margins and dropping leaves, although some leaf drop is typical. Learn about pteris vittata benzilan benzilan chinese. Learn about pteris vittata benzilan benzilan chinese table. The mechanisms of arsenic as hyperaccumulation in pteris vittata, the first identified as hyperaccumulator, are unknown.
Provides authoritative information on the flora of western australia. Recently, the brake fern pteris vittata has been found to be able to hyperaccumulate as from soil ma et al. Deer resistant plants, dry shade plants, groundcovers, medicinal plants, plant delights introductions, plants from china, xeriscaping plants, ferns and allies, cottage garden plants, green roofs, living wall pteris. The record derives from tropicos data supplied on 20120418 which reports it as an accepted name record 26602473. The chinese brake fern pteris vittata l pteridaceae can accumulate up to 27 000 mg kg. This profile has been archived with the following explanation. Pityrogramma, or the gold and silverbacked ferns, consists of about 16 tropical species, which are occasionally. Callus induction occurred both in light and dark culture.
As a result, it may occasionally bear a resemblance to forms of p. Lay and collie, and other officers of the expedition, during the voyage to the pacific and behrings 19783050494. Ferns of mississippi is an identification guide to ferns found throughout mississippi and in many areas of the southeast united states. Pteris is a genus of ferns usually sold as houseplants because they are native primarily in tropical and subtropical regions of the world. The structure of petioles in pteris pteridaceae request pdf. Fronds mostly 3080 cm long, erect, 1pinnate, mid to dark green.
The fern was growing at a central florida site contaminated with large amounts of copper arsenate in the soil. Morphology and ploidy level determination of pteris vittata. The record derives from tropicos data supplied on 20120418 which reports it as an accepted name record 26602473 with original publication details. Pteris vittata sporophytes hyperaccumulate arsenic to 1% to 2% of their dry weight. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. In contrast, the role of thiol compounds in as tolerance and hyperaccumulation in pteris vittata, an as. Pteris vittata benzilan aka benzilan chinese table fern. It has been praised for its potential to remediate soils contaminated with arsenic. It is found on almost any calcareous substrate, such as old masonry, sidewalks, building crevices, and nearly every habitat in southern florida with exposed limestone, notably pinelands. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Pteris large genus of terrestrial ferns of tropics and subtropics. It is scattered throughout florida and is sporadic.
The problem of the heavy metal, arsenic, in the soil is much wider than this, of course, since it is a byproduct of many industrial and mining activities, and has been a common component of weed killers and. Pteris vittata, chinese brake fern, soil, arsenic, hyperaccumulation, elemental allelopathy, plantplant competition. Pteris vittata varies exceedingly in size, density of scales on the rachis, presence or absence of hairs on the abaxial costae, and overall color and aspect of the leaf. Pdf the present study was designed to explore the possible effects of pteris vittata on visual sensitivity. These smaller species are often called table ferns. Some of these ferns are popular in cultivation as houseplants. Dubai international airport is the major hub for the middle east, and is the main airport in dubai. The objective of this study was to describe a wide spectrum of surface structural and anatomical details of the chinese brake fern pteris vittata using scanning electron microscopy sem. 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. A novel arsenate reductase from the arsenic hyperaccumulating. Flora of australia volume 48 does not record it as introduced, but the treatment of pteris was taken over by the editor of the volume following the death of prof. Rhizome shortcreeping, thick, covered with pale, papery scales. Pdf phytochemical analysis and effects of pteris vittata extract on. This plant may be known by one or more common names in.
The arsenic hyperaccumulating pteris vittata expresses two. Role of thiol compounds in arsenic tolerance in pteris vittata. Phytoremediation of arseniccontaminated soils by pteris vittata. Pteris global limited pteris global, and together with its subsidiaries, the group is one of the worlds largest suppliers of passenger boarding bridges pbb, and a leading global integrated solutions provider of airport facility equipment including logistic systems baggage handling and materials handling, and ground support equipment gse. Nov 18, 2014 morphological and ploidy changes of the arsenic hyperaccumulator, chinese brake fern pteris vittata callus tissue are described here to provide insight into fern life cycle biology and for possible biotechnology applications. The chinese brake fern pteris vittata is an arsenic hyperaccumulator capable of storing arsenic in leaves up to 2. Phytoremediation of arseniccontaminated soils by pteris vittata arsenic removal and biomass disposal creator. Both species are similar in having 1pinnateimparipinnate laminae, entire and linear pinnae, and free venation with simple or furcate veins. Pteris vittata commonly known as brake fern was discovered to have the ability to hyperaccumulate absorb large amounts of arsenic from soil. University of california publications in geological sciences 76. Potential of pteris vittata, international journal of phytoremediation, 16.
This plant can be weedy or invasive according to the authoritative sources noted below. The type specimen was collected in china by pehr osbeck. Application has vernacular full name chinese brake name id 53116756b32142efb9547695c92f7d36. The key to growing good pteris is to provide enough humidity and bright, filtered light to keep the plant thriving. Pteris vittata was the first identified hyperaccumulator for arsenic. Pteris vittata a1c202c this amazing fern was collected on our 1996 yunnan, china trip in benzilan english for hotel from hell. T r yon and t r yon 1982 is a subtropical fern of the old w orld, with disjunct outliers in the southern.
Arching pale green fronds, each with 15 pairs of simple or forked pinnae. The results can also be downloaded as a csv file unicode utf8 encoding see status, confidence level, source for definitions. It has been suggested that thiol compounds such as glutathione gsh and phytochelatin pc contribute to arsenic as tolerance mechanisms in higher plant. Photosynthetic electrontransfer reactions in the gametophyte of pteris multifida reveal the presence of allelopathic interference from the invasive plant species bidens pilosa. 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. Department of agriculture agricultural research service. Pteris vittata ufifas center for aquatic and invasive. Leafblade ellipticoblong in outline, up to 115 x 40 cm, simply pinnate, tapering towards the base. Pteris vittata, also known as chinese brake or ladder fern, is native to china. Rhizosphere characteristics of the arsenic hyperaccumulator pteris. Search for images of pteris vittata on inaturalist c south african national biodiversity institute 201012. These changes will not be visible to public users until the profile is completed and the draft is released.
We investigated changes in the rhizosphere characteristics of pteris vittata chinese brake fern relevant for its use in phytoextraction. Pteris synonyms, pteris pronunciation, pteris translation, english dictionary definition of pteris. The arsenic as hyperaccumulating fern species pteris vittata pv is capable of accumulating large quantities of as in its aboveground tissues. Even though it has the beneficial quality of being a natural bioaccumulator, it is still considered an invasive plant and should be managed as such. Pdf the discovery of the arsenic hyperaccumulator, pteris vittata chinese brake fern, has contributed to the. As such, this species has been a focus for use in phytoremediation. Pteris vittata ufifas center for aquatic and invasive plants. Pteris vittata in the germplasm resources information network grin, u. Changes in gametophyte physiology of pteris multifida induced by the leaf leachate treatment of the invasive bidens pilosa. Phytoremediation of arseniccontaminated soils by pteris. Click on an acronym to view each weed list, or click here for a composite list of weeds of the u. 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. Growing on a dry rocky cliff, it was spindly and less than 1 tall, but in our garden the fern has made a stunning deciduous clump 3 tall x 8 wide in 10 years.
We investigated the interactions of arsenate and phosphate on the uptake and distribution of as and phosphorus p, and as speciation in p. They like a steady supply of water and average temperatures, but will quickly show signs of stress in very dry environments. Threatened species programme sanbi red list of south. Arsenic is a naturally occurring, metalloid element that is potentially toxic to most organisms. Morphology and ploidy level determination of pteris.
In an 18d hydroponic experiment with varying concentrations of arsenate and phosphate, p. Elemental allelopathy by an arsenic hyperaccumulating fern, pteris. 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. It is indigenous to asia, southern europe, tropical africa and australia. This plant may be known by one or more common names in different places, and some are listed above. You are viewing a profile that is currently in draft. This study compared the roles of root exudates collected from two fern species, the as hyperaccumulating chinese brake fern pteris vittata l. Pteris vittata the danger of arsenic leaching from treated woods into childrens play areas has made the news in south florida recently. In pteris longifolia, however, the pinnae are articulated to the rachis, whereas in p. Dubai international airport, terminal 3, united arab emirates. Pteris vittata callus was studied using transmission and scanning electron microscopy, and flow cytometry.
1407 426 1362 1520 1149 1220 1225 81 130 1356 1138 742 577 588 1592 1459 779 1343 1346 757 360 1442 320 789 1341 442 733 41 669 1516 152 408 272 631 1248 327 870 547 35 84 530 778 837 666 144 936 775 1226 99 748 1312