2024 Evolution in sedges carex cyperaceae

Evolution in sedges carex cyperaceae

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August undefined, 2024

WebSedges (Carex: Cyperaceae), one of the largest genera of angiosperms with more than 2000 species worldwide (Reznicek 1990), exhibit a relatively high rate of species diversification (Magallon and Sanderson 2001).The genus also exhibits an exceptional agmatoploid chromosome series ranging from n= 6 to n= 66 (Tanaka 1949).Every … WebApr 16, 2013 · This publication describes and illustrates 48 grasses and 10 sedges native to Georgia. It is not the intent of the authors to describe all native grasses and sedges, but …

Macroevolutionary insights into sedges (Carex: Cyperaceae): The …

WebSep 2, 2016 · Abstract. Seven papers in this quarter's issue of Systematic Botany come from a symposium on phylogeny and ecological diversification in sedges (Carex L., Cyperaceae) convened at the Botany 2015 ... WebJun 1, 2012 · The sedge family (Cyperaceae: Poales; ca. 5600 spp.) is a hyperdiverse cosmopolitan group with centres of species diversity in Africa, Australia, eastern Asia, North America, and the Neotropics. ... Nonuniform processes of chromosome evolution in sedges (Carex: Cyperaceae) Evolution (2007) A.L. Hipp et al. MATICCE: mapping … right arm keeps hurting

Macroevolutionary insights in sedges (Carex: Cyperaceae): The eff…

WebOf the family Cyperaceae, there are over 1500 species of the genus Carex, which from Latin means “cutter” in reference to the sharp leaves and stem edges. Identification of … WebCyperaceae, sedge family of monocotyledonous flowering plants, a division of the order Poales. The Cyperaceae are grasslike herbaceous plants found especially in wet regions throughout the world. The Cyperaceae, among … WebOct 2, 2024 · A new species of Carex sect. Mitratae, C. ledongensis, is described and illustrated from Hainan, South China. The new species is similar to C. pseudotristachya but differs from the latter in its leaves much longer than culms, inflorescence with 3 spikes, terminal spike with 1.5 cm long peduncle, lateral spikes bisexual, perigynia fusiform, 6 ... right arm itching and burning

Carex ledongensis (Cyperaceae), a new sedge from Hainan Isl. Of …

(PDF) Evolution in sedges ( Carex , Cyperaceae)

WebJan 31, 2024 · Evolution in sedges ( Carex , Cyperaceae) Article. Full-text available. Jul 1990; Anton A Reznicek; Subgenus Primocarex was generally thought to be artificial and derived from diverse multispicate ... WebFeb 1, 2009 · Character analyses indicate that inflorescence proliferation and reduction have occurred in all major clades, and that the Cariceae’s unisexual flowers have evolved from perfect flowers. The goal of this study was to review the impact of DNA sequence analyses on our understanding of Cariceae phylogeny, classification and evolution. To explore … right arm is tingly and shoulder hurtsWebThe Cyperaceae (/ s aɪ p ə ˈ r eɪ s i ˌ aɪ,-s iː ˌ iː /) are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges.The family is large, with some 5,500 known species described in about 90 … right arm is tingling

"WebNov 22, 2024 · Niche shifts after long-distance dispersal events in bipolar sedges (Carex, Cyperaceae) Tamara Villaverde, Corresponding Author. ... We investigated climatic niche differences of five Carex bipolar species in North and South America to assess niche shifts between these two regions. Moreover, we assessed potential distribution changes with ... " - Evolution in sedges carex cyperaceae

Evolution in sedges carex cyperaceae

Phylogeny and Classification of Carex Section Ovales (Cyperaceae ...

WebIn this study, I test the hypothesis that chromosome number evolves according to a uniform process in Carex section Ovales (Cyperaceae), the largest New World section of an … WebJan 7, 2024 · The megadiverse genus Carex (c. 2000 species, Cyperaceae) has a nearly cosmopolitan distribution, displaying an inverted latitudinal richness gradient with higher species diversity in cold ...

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WebSection Ovales is the most species‐rich section of the sedge genus Carex in the New World. Phylogenetic analyses of molecular data recover a predominantly New World clade as sister to a solitary east Asian species, C. maackii. Nuclear ribosomal DNA are congruent in the placement of all taxa within the section, with a solitary exception: incongruence … WebSedges (Carex: Cyperaceae), one of the largest genera of angiosperms with more than 2000 species worldwide (Reznicek 1990), exhibit a relatively high rate of species …

WebDec 5, 2008 · Sedges (Carex: Cyperaceae) exhibit remarkable agmatoploid chromosome series between and within species. This chromosomal diversity is due in large part to the structure of the holocentric chromosomes: fragments that would not be heritable in organisms with monocentric chromosomes have the potential to produce viable gametes … WebJan 17, 2024 · Three new species of Carex sect. Fecundae (Cyperaceae) are described from Central America. Carex orothanatica from Costa Rica, Carex siguanabae occurring in El Salvador and Honduras, and Carex via-aquae from Costa Rica and Panama. ... Reznicek, A.A. (1990) Evolution in sedges (Carex, Cyperaceae). Canadian Journal of …

WebEvolution in sedges (Carex, Cyperaceae) A. Reznicek. Published 1990. Biology. Botany. Carex is the largest and most widespread genus of Cyperaceae, but evolutionary relationships within it are poorly understood. Subgenus Primocarex was generally … WebJul 1, 1990 · Evolution in sedges (Carex, Cyperaceae). Can. J. Bot. 68 1409-1432.pdf. Content uploaded by Anton A Reznicek. Author content. …

WebDec 5, 2008 · Sedges (Carex: Cyperaceae) exhibit remarkable agmatoploid chromosome series between and within species. This chromosomal diversity is due in large part to the …

WebFeb 10, 2024 · Introduction. With about 2000 species described worldwide Carex L. (Cyperaceae) represents one of the most species-rich angiosperm genera [].The taxonomic richness is accompanied by an extreme … right arm keeps going numb tinglingWebJun 1, 2024 · Different modes of chromosomal evolution are present in Cyperaceae. For example, Carex karyotype evolves mainly via agmatoploidy and symploidy (Heilborn, 1924, Davies, 1956), whereas polyploidy is more common in the rest of sedges (Escudero et al., 2012b). Thus, this hyperdiverse family and its wide range of karyotypic variation … right arm man meaningWebFeb 10, 2024 · Abstract. Counting chromosomes is the first step towards a better understanding of the karyotype evolution and the role of chromosome evolution in … right arm keeps going numb and tingling right arm loveseatWebJan 31, 2024 · 1 Introduction. The genus Carex L. (Cyperaceae), with ca. 2000 accepted species, includes nearly 40% of total sedge diversity and is one of the three most diverse angiosperm genera (Roalson et al., 2024; WCSP, 2024).It is distributed worldwide, but especially rich in the temperate and cold regions of both hemispheres. This global … right arm muscle weaknessWebEVOLUTION IN SEDGES (CAREX: CYPERACEAE) Andrew L. Hipp The Morton Arboretum, 4100 Illinois Route 53, Lisle, Illinois 60532-1293 E-mail: … right arm muscle acheWebEVOLUTION IN SEDGES (CAREX: CYPERACEAE) Andrew L. Hipp The Morton Arboretum, 4100 Illinois Route 53, Lisle, Illinois 60532-1293 E-mail: [email protected] Received December 13, 2006 Accepted May 18, 2007 Holocentric chromosomes-chromosomes that lack localized centromeres-occur in numerous unrelated clades of … right arm left arm