site stats

Evolution in sedges carex cyperaceae

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 … 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 ...

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

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 … 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 … snapchat account banner https://klassen-eventfashion.com

The Evolution of Chromosome Arrangements in Carex …

WebApr 10, 2012 · We employed a phylogenetic and cytogenetic data set from one of the most diverse angiosperm genera in the world, which has the largest nonpolyploid chromosome radiation (Carex, Cyperaceae; 2n = 12–124; 2100 spp.). We evaluated alternative Ornstein–Uhlenbeck models of chromosome number adaptation to the environment in an … WebThe 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 … Web324. Carex cherokeensis Schweinitz, Ann. Lyceum Nat. Hist. New York. 1: 71. 1824. Cherokee sedge, wolftail sedge Plants with short-creeping rhizomes, forming dense … roach in your ear

Proceedings Introduction: Phylogeny and …

Category:Selection and inertia in the evolution of holocentric …

Tags:Evolution in sedges carex cyperaceae

Evolution in sedges carex cyperaceae

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

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 … WebEVOLUTION IN SEDGES (CAREX: CYPERACEAE) Andrew L. Hipp The Morton Arboretum, 4100 Illinois Route 53, Lisle, Illinois 60532-1293 E-mail: …

Evolution in sedges carex cyperaceae

Did you know?

WebJan 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 … WebJun 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 …

WebEvolution in sedges (Carex, Cyperaceae). Can. J. Bot. 68: 1409-1432. Carex is the largest and most widespread genus of Cyperaceae, but evolutionary relationships within … Webon chromosome evolution in Carex and identify unanswered questions and directions for future research. In the end, an integration of biosystematic, cytogenetic, and genomic studies across the Cyperaceae will be needed to address the question of what role chromosome evolution plays in species diversification within Carex and the …

WebThe family Cyperaceae, or the sedges, is a taxon of flowering plants. They look like grasses or rushes, but are not. They are monocot plants (as are grasses), but belong to a … 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 ...

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 …

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 … roach is a unicornWebJul 1, 1990 · Evolution in sedges (Carex, Cyperaceae). Can. J. Bot. 68 1409-1432.pdf. Content uploaded by Anton A Reznicek. Author content. … snapchat account createWebJun 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 … snapchat account create without phone numberWebSep 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 ... snapchat account creat on pcWebSedges (Carex: Cyperaceae), one of the largest genera of angiosperms with more than 2000 species worldwide (Reznicek 1990), exhibit a relatively high rate of species … snapchat account erstellen pcWebEconomic and ecological importance. Few sedges are crop plants. Of these, by far the most important are the Chinese water chestnut ( Eleocharis dulcis) and chufas or tiger nuts, cultivars of the yellow nut sedge ( Cyperus esculentus) grown primarily in Africa. In both species, the edible parts are underground tubers. snapchat account delete accountWebFeb 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 … roach johnston \u0026 thut