Feature Flags: { 2009. Am J Bot 105:13041314, Schneider H, Schuettpelz E, Pryer KM, Cranfill R, Magallon S, Lupia R (2004) Ferns diversified in the shadow of angiosperms. Discover the flowering plant tree of life and the genomic data used to build it. Because of its radial synangia (an archaic character that is also found in fossil Asterothecaceae) Christensenia has been considered to be an ancient lineage, despite the lack of fossil evidence. Christensenia aesculifolia (Blume) Maxon. Billiga vxter av hgsta kvalit med snabba leveranser. Full article: Complete chloroplast genome of Angiopteris yunnanensis The record derives from Tropicos (data supplied on 2012-04-18 ) which reports it as an accepted name (record 26612648 ) with original publication details: Proc. A taxonomic revision of the eusporangiate fern family Marattiaceae, with description of a new genus Ptisana. Fig. In a similar manner, habitat loss and fragmentation are the main threats to other plant species in China that have extremely small populations (Ren et al., Reference Ren, Zhang, Lu, Liu, Guo and Wang2012, Reference Ren, Jian, Chen, Liu, Zhang and Liu2014; Chen et al., Reference Chen, Yang, Yang, Li, Long and Luo2014; Li et al., Reference Li, Zhang and Zhang2014; Volis, Reference Volis2016). Fern J. & al. Christensenia aesculifolia is a species of tropical fern found throughout southeast Asia. Trends Plant Sci 24:46, Tagawa M, Iwatsuki K (1968) New and interesting ferns of Thailand 3. (PDF) Rescuing Christensenia aesculifolia (Marattiaceae), a plant Arnz, Leiden & Dusseldorf. Christensenia is unique in the Marattiaceae, because of its reticulate venation, palmately arranged leaves and radial synangia. Hoffm. Policies. Mol Ecol Res 14:10241031, Zhu AD, Guo WH, Gupta S, Fan WH, Mower JP (2016) Evolutionary dynamics of the plastid inverted repeat: the effects of expansion, contraction, and loss on substitution rates. Syst Biol 50:307321, Hanson L, Leitch IJ (2002) DNA amounts for five pteridophyte species fill phylogenetic gaps in C-value data. Kunming Botanical Garden, Kunming Institute of Botany, Chinese Academy of Sciences; Yunnan Key Laboratory for Integrative Conservation of Plant Species with Extremely Small Populations, Kunming, Yunnan 650201, China, Yunnan Academy of Biodiversity, Kunming, Yunnan, China, plant species with extremely small populations, https://doi.org/10.1017/S003060531800039X, Reference Ma, Chen, Grumbine, Dao, Sun and Guo, Reference Wang, Ma, Chen, Li, Dao and Sun, Reference Qin, Yang, Dong, He, Jia and Zhao, Reference Ren, Zhang, Lu, Liu, Guo and Wang, Reference Ren, Jian, Chen, Liu, Zhang and Liu, Reference Chen, Yang, Yang, Li, Long and Luo, Factors affecting the distribution pattern of wild plants with extremely small populations in Hainan Island, China, Last of the green: identifying priority sites to prevent plant extinctions in Brazil, Conservation status of the unique population of, Conserving plant species with extremely small populations (PSESP) in China, Threatened species list of China's higher plants, Distribution, status, and conservation of, Wild plant species with extremely small populations require conservation and reintroduction in China, Conserving Plant Species with Extremely Small Populations (PSESP) in Yunnan: Practice & Exploration. Were trialling a new app switcher feature to help our users move between our science apps. Project Gutenberg Literary Archive Foundation, https://en.wikipedia.org/w/index.php?title=Christensenia_(plant)&oldid=1136464007, Rolleri, C. H. 1993. Yang, Fengmao Subscription is a benefit for Journal and Lifetime members of the American Fern Society. In: Wu ZY, Raven PG, Hong DY (eds) Flora of China, vol. Flora of Peninsular Malaysia. Roskov Y. serving those interested in all aspects of ferns and allied plants. Annales Universitatis Turkuensis ser. Foglie palmate e rugose con nervature rosse-brune. Jawa, The authors declare that they have no conflict of interest. 1-134. Rhizome short, fleshy bearing a few fronds at apex. Additionally, the Society operates a spore exchange with spore samples available Its leaves resemble horse chestnuts. The American Fern Society, founded in 1893, is an international organization (eds.) & al. 174-180. Christensenia aesculifolia - Wikipedia & Cheah, Y.H. 83: 16 (1993) Christensenia assamica (Griff.) Total number of species on this website = 1550. Bioinformatics 20:32523255, Yang JB, Li DZ, Li HT (2014) Highly effective sequencing whole chloroplast genomes of angiosperms by nine novel universal primer pairs. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001117730. Inst. Tree of Life Project. Note that images and other media Christensenia aesculifolia subsp. The spores of Christensenia are monolete, echinate, and superficially similar. Semillas en venta a partir de 7.20. Chen, C.-W. & al. Rhizomes creeping (to suberect), short, fleshy, scaly; scales brown with red spots, large, rounded. [Cited as Christensenia aesculifolia.] Floribunda 4:138146, Pressel S, Bidartondo ML, Field KJ, Rimington WR, Duckett JG (2016) Pteridophyte fungal associations: current knowledge and future perspectives. PubMedGoogle Scholar. Christensenia assamica (Griffith) Ching - World Flora Online New Phytol 206:1926, Rolleri C (1993) Revision of the genus Christensenia. Christensenia aesculifolia is a morphological distinct but locally rare fern. Plant Divers 38:209220, Walker TG (1979) A further chromosome count for Christensenia (Marratialies). Project Gutenberg Literary Archive Foundation. Towards the conservation of the Mesozoic relict fern Christensenia: a for this article. Sker hemleverans av vxter och trdgrdstillbehr. group of plants. 3. http://mesquiteproject.org. J Plant Res 126:4150, PPG1 (2016) A community-derived classification for extant lycophytes and ferns. Total number of families on this website = 50. Cai, Lei You can see them easily on the lower leaf surface. Close this message to accept cookies or find out how to manage your cookie settings. : synonym: Christensenia aesculifolia subsp. The synangia are radially arranged, a unique character among extant species, but quite common in fossil representatives of the order. Species. In the future field studies and molecular evidence will be needed to assess the diversity of this genus. Marattiaceae - Tree of Life Web Project Index Seminum (L, Lugduni-Batavorum) 1851: 6 (1851), W.H.de Vriese & P.Harting, Monogr. De Vriese and Harting (1853) recognized four species of Kaulfussia, K. aesculifolia Blume (Java and the Philippines), K. assamica Griff. This assessment confirmed the need to obtain more accurate information about the distribution of this genus to assess the status incorporating the disjunct distribution from southern China and India in the North towards the Solomon Islands in the South. After the 1993 revision by Rolleri, only two species and one variety are recognized: This fern-related article is a stub. Christensenia has creeping, dorsiventral rhizomes, and palmately arranged blades (Rolleri 1993). Designed by Elegant Themes | Powered by WordPress. http://creativecommons.org/licenses/by/3.0, Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. Murdock (2008) showed however that Christensenia is deeply embedded within the Marattiaceae as sister to a clade uniting Marattia s.s. and Angiopteris. Int J Mol Sci 19:3554, PubMed Central Christenhusz, Maarten. Christensenia aesculifolia. Hongmei Liu. A unique repository of information on India's biodiversity. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/, Copyright 2023 World Checklist of Vascular Plants. Javae 2: 143 (1828), not validly publ. Christensenia aesculifolia Marattiaceae image. As with other plant species with extremely small populations, C. aesculifolia is rare in China and the population is in urgent need of rescue. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. The American Fern Society, founded in 1893, is an international organization In: Krings M, Harper CJ, Cuneo NR, Rothwell GW (eds) Transformative Paleobotany. Vi levererar vxter till bde privatpersoner, fretag och kommuner. Web. Bot J Linn Soc 140:169173, He ZR, Christenhusz MJM (2013) Marattiaceae. You can help Wikipedia by expanding it. Identification Numbers. your institution, https://doi.org/10.1017/s00306050531800039x. The Fern Gazette 21: 292-419. Accessed February 2018. (record 26612648). The extant members are placed in six genera: Angiopteris, Christensenia, Danaea, Eupodium, Marattia and Ptisana. China South-Central, 2: 65 (1959) Christensenia cumingiana Christ in Philipp. Taxon pages loaded to date: 23482631 (31100) dol_terminal 15 August 2018. In: Fernandez H (ed) Working with ferns: issues and applications. Christensenia aesculifolia is a species of tropical fern found throughout southeast Asia. In general deforestation is the main cause of the destruction of natural vegetation in Yunnan, with trees felled to support social and economic development and for the planting of banana and rubber trees. PubMed Central For now weve just listed some of our more popular apps, but soon we hope to show more and roll it out across all our science websites. Marattiac. IPNI - The International Plant Names Index. Science Press, Beijing, pp 8289, Hill CR, Camus JM (1986) Evolutionary cladistics of marattialean ferns. your institution. (2017). J.F. korthalsii Christensenia lobbiana ( de Vriese) Rolleri References [ edit] BRUMMITT, R. K. (1992) Vascular plant families and genera. korthalsii (de Vriese) Rolleri: synonym: Christensenia assamica (Griff.) in the genus I was delighted to find this plant after a long slog of field work surveying East New Britain. This is the second tetraploid record of Christensenia worth for further studies to confirm its taxonomic status. All rights reserved. We use cookies to distinguish you from other users and to provide you with a better experience on our websites. Assam, Required fields are marked *. Gardening for the Million. Introduction. : 14 (1853). Phytotaxa 158:5775, Soltis PS, Soltis DE, Savolainen V, Crane PR, Barraclough TG (2002) Rate heterogeneity among lineages of tracheophytes: integration of molecular and fossil data and evidence for molecular living fossils. & al. Christensenia Marattiaceae - 18 images at PhytoImages.siu.edu. My field work is centered in Mexico, Colombia, and Papua New Guinea. Popularis Sin. We have worked with the local government and farmers, who have now halted farming activities in this area, and we are also carrying out regular patrols to protect the remaining plants. Field investigations during 20142017 failed to relocate one previously known population, and revealed that the single known extant population of C. aesculifolia contains only 10 individual plants. This page was last edited on 9 September 2021, at 14:54. Towards the conservation of the Mesozoic relict fern Christensenia: a fern species with extremely small populations in China. Svedberga Plantskola r belget vid foten av naturreservatet Svedberga kulle utanfr byn Allerum. The genus is confined to the Indo-Malayan region. Washington 18: . 3-19. Biol. The Chinese occurrences of the marattioid fern genus Christensenia have been considered as requiring protection because of its extreme rarity and very small population size. Request Permissions. PubMed Central Firstly, we documented the cytology of the Chinese occurrences for the first time. Tree of Life design and icons copyright 1995-2004 Asian J Biodivers 3:5073, Barba-Montoya J, dos Reis M, Schneider H, Donoghue PCJ, Yang ZH (2018) Constraining uncertainty in the timescale of angiosperm evolution and the veracity of a Cretaceous Terrestrial Revolution. parvifolia Ceibillo. Syst Biol 52:696704, PubMed Christensenia Maarten Christenhusz. 240 (1905). Nat Methods 9:772, CAS Ver. aesculifolia det. More info on this page. The rhizome is stipulate, creeping and usually underground, bearing two rows of fronds, which are otherwise only found in Danaea and "Archangiopteris". How to conserve threatened Chinese plant species with extremely small populations? On moist sandy slopes near streams in dense moist evergreen forest at about 800 m alt. This page is a Learn to care for and grow Christensenia aesculifolia. Christensenia aesculifolia Posted by Michael Sundue| Ferns| 0 My first Christensenia! Christensenia is a genus of ferns in the botanical family Marattiaceae. These differences are taxonomically significant and correlate completely with characters of gross morphology in the three taxa in the genus. Mol Phylogenetics Evol 105:200211, Vera EI, Cesari SN (2016) Marattiaceae synangia from the Lower Cretaceous of Antarctica. Based on an estimate of 51 families worldwide. of its more than 1000 members are amateurs interested in growing ferns or in Fan Mem. American Journal of Botany - Botanical Society of America Let us know what you think via the link at the bottom of the app switcher. Christensenia aesculifolia (Blume) Maxon is an accepted name This name is the accepted name of a species in the genus Christensenia (family Marattiaceae ). Christensenia aesculifolia iNaturalist Acta Phytotax Geobot 35:7583, Murdock AG (2008a) A taxonomic revision of the eusporangiate fern family Marattiaceae, with description of a new genus Ptisana. Enum. An ex situ collection of C. aesculifolia at Kunming Botanical Garden was introduced from Hekou County in 2014, but is not thriving. The principal objective of the Society is to foster scholarly interest in this 2022. of its more than 1000 members are amateurs interested in growing ferns or in "coreDisableSocialShare": false, Soc. Ching, R.-C. (1940). Genus. 216, pp. PDF Revision of the Genus Christensenia - UNLP Finally, we re-assessed the conservation status of Christensenia in the context of its local and global distribution by assessing specimen information extracted from publications and digitized voucher information. We also thank two anonymous reviewers for their comments. Enum. Rescuing Christensenia aesculifolia (Marattiaceae), a plant species with an extremely small population in China Lei Cai, . (2020). major distinction between a leaf and a branch of has been published quarterly since 1910. We want to express our appreciation of the assistances on the chloroplast genome sequencing and analysis provided by Dr. Zhirong Zhang and Dr. Junbo Yang (Kunming Institute of Botany, Chinese Academy of Sciences). Chen, C.-W. & al. Anyone you share the following link with will be able to read this content: Sorry, a shareable link is not currently available for this article. Taxonomy; Distribution; Synonyms; Publications . It is a perennial and grows primarily in the wet tropical biome. 1: Pteridophytes and Gymnosperms, pp. represent aphase Christensenia.toward the fully developed porocyclocytic stomata of In C. aesculifolia subsp. http://tolweb.org/Christensenia_aesculifolia/56838/2009.01.23, Creative Commons Attribution-NonCommercial License - Version 3.0, Go to navigation for this section of the ToL site. Washington 18. studying these plants in the wild. This research complied with the Oryx Code of Conduct. The Society's annual meetings usually are held in conjunction Acta Phytotax Geobot 23:110116, Takamiya M (1993) Chromosome numbers of Woodsia kitadakensis and W. subcordata (Woodsiaceae). Samen kaufen ab 7.20. Accessed on: 05 Jul 2023', Cite taxon page as 'WFO (2023): Christensenia aesculifolia, Proc. Unfortunately in my exhaustion I failed to get great images of the synangia. "coreDisableEcommerce": false, J Plant Res 132, 601616 (2019). (eds.) 20 cm) to very large (up to at least 6 m). Barcelona & J.R.C. Subscriptions for libraries and other institutions are available for $35 for addresses in North America and $45 for addresses elsewhere. Am Fern J 86:8088, Roper JM, Hansen SK, Wolf PG, Karol KG, Mandoli DF, Everett KDE, Kuehl J, Boore JL (2007) The compare plastid genome sequence of Angiopteris evecta (G.Forst.) to Society members at nominal cost or by exchange, for those who wish to grow 227-229. Brittonia 53:173235, Cupitt D, Bhatoa P, Ashwath N (2001) In vitro propagation of Angiopteris evecta using spores. Thailand, My first Christensenia! Surveys in October 2014 (for 8 days by six people), August 2015 (3 days by five people), September 2016 (5 days by four people) and April and November 2017 (6 days by four people) led by LC in Lvchun, Jinping and Hekou Counties, Honghe Prefecture, and in November 2015 (5 days by six people) and August 2017 (6 days by seven people) led by ZD in Malipo and Maguan Counties, Wenshan Prefecture, found only one locality, with 10 individual plants, in an area of c. 500 m2 in a karst rainforest in Hekou County (Fig. Springer-Verlag, Berlin, New York. Biol. (2017). In October 2014 and November 2016 we collected spores of C. aesculifolia for preliminary germination experiments, but these failed, perhaps because the spores were collected from plants already cut down by farmers. Christensenia aesculifolia is a species of plants with 2 observations More Info Computer Vision Model Pending The current Computer Vision Model does not know about this taxon, so while it might be included in automated suggestions with the "Nearby" label, it will not have the "Visually Similar" label. Maxon, Tectariasingaporeana (Wall.) The most urgent conservation requirement for this species is to conserve the threatened habitat of the remnant population. Field investigations during 2014-2017 failed to relocate one previously known population, and revealed that the single known . It is so angiosperm-like in appearance we almost walk right past it. eds). Nature 428:553557, Schneider H, Liu HM, Clark J, Hidalgo O, Pellicer J, Zhang SZ, Kelly LJ, Fay MF, Leitch IJ (2015) Are the genomes of royal ferns really frozen in time? The record derives from Tropicos which reports it as a synonym of Christensenia aesculifolia (Blume) Maxon (record 26620365 ) Cite taxon page as 'WFO (2023): Christensenia assamica (Griffith) Ching. Fraser-Jenkins, C.R. Washington 18. Fit to Window Naked Image - Image of Marattiaceae Christensenia aesculifolia TERMS OF USE IMAGES VIEWED AT FULL SIZE: 25269513 () East Himalaya, Location in Taxonomic Tree . korthalsii - Wikispecies [ dismiss] Translation Wikispecies needs translators to make it more accessible. Murdock, A. (2022). It is a perennial and grows primarily in the wet tropical biome. with the Botanical Society of America's annual conference. Taxonomy browser (Christensenia aesculifolia) - National Center for A dry deciduous, spreading small tree with a slightly swollen, spiny trunk, palmate leaves and cream colored flowers. However, most pteridologists (fern specialists) In March 2010 it was identified as one of 62 plant species with extremely small populations in Yunnan because of its small remaining population, restricted habitat, a high degree of disturbance from people, and a high risk of extinction (Ma et al., Reference Ma, Chen, Grumbine, Dao, Sun and Guo2013; Sun, Reference Sun2013; Wang et al., Reference Wang, Ma, Chen, Li, Dao and Sun2016; Diniz et al., Reference Diniz, Goncalves and Brito2017). Seeds for sale starting at 7.20. Vriese and Harting (1853) described four species (as Kaulfussia); in the revision by Rolleri (1993) these were reduced to two species and one variety. Christensenia. Phytotaxa 142:3745, Testo W, Sundue M (2016) A 4000-species dataset provides new insight into the evolution of ferns. Thailand, 240 (1905). We have developed mechanisms for providing public education about the importance of protecting plant species with extremely small populations, both at Kunming Botanical Garden and among local communities in the native range of several other such species: Bretschneidera sinensis, Coptis quinquesecta, Cycas spp., Magnolia spp., Paphiopedilum spp. Vol. : 14 (1853). hasContentIssue false, Copyright Fauna & Flora International 2018. which Creative Commons Attribution-NonCommercial License - Version 3.0. Roskov Y. Rhizomes creeping (to suberect), short, fleshy, scaly; scales brown with red spots, large, rounded. 239-240. Fraser-Jenkins, C.R. and Christenhusz, M. J. M. (2007). Thirdly, phylogenetic analyses of rbcL sequences implied that there are at least two distinct species of Christensenia. Christensenia aesculifolia - U.S. Fish and Wildlife Service 3. A pictorial guide: 1-246. Additionally, we plan to erect appropriate advisory signs and a plaque explaining conservation goals for C. aesculifolia, construct fencing, and hire specialized staff. Bishen Singh Mahendra Pal Singh. Location of the extant population in Hekou County and of the lost population in Jingping County. a group of organisms representing a leaf at the tip of the Tree of Life. Circular plot of the complete chloroplast genome of Christensenia Christensenia aesculifolia (Blume) Maxon - GBIF Bishen Singh Mahendra Pal Singh. It is so angiosperm-like in appearance we almost walk right past it. document.write(unescape("%3C%61%20%68%72%65%66%3D%22%6D%61%69%6C%74%6F%3A%0A")); Revision of the genus Christensenia. Provided by the Springer Nature SharedIt content-sharing initiative, https://doi.org/10.1007/s10265-019-01131-9, access via volume132,pages 601616 (2019)Cite this article, A Correction to this article was published on 19 February 2020, A Correction to this article was published on 10 October 2019. korthalsii (de Vriese) Rolleri in Amer. Christensenia aesculifolia. Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands. Google Scholar, Clark J, Hidalgo O, Pellicer J, Liu HM, Marquardt J, Robert Y, Christenhusz MJM, Zhang SZ, Gibby M, Leitch IJ, Schneider H (2016) Genome evolution of ferns: evidence for relative stasis of genome size across the fern phylogeny.
