Evolution in sedges carex cyperaceae

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August undefined, 2024

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 … 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 …

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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 … 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 … how to say computer literate on resume

Macroevolutionary insights into sedges (Carex: …

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 … WebMay 19, 2024 · Carex sect. Confertiflorae s.l. is a medium-sized species group (ca. 40 species) with its center of diversity in E Asia (China and Japan). According to morphological traits, the section has been proposed to split into two sections (sects. Confertiflorae sensu Ohwi and Molliculae Ohwi) up to five different ones (sects. Confertiflorae s.s., Molliculae, … 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 ... how to say computer literate

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

(PDF) Evolution in sedges ( Carex , Cyperaceae)

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 … 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 ... northgate head office darlingtonWebDec 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 … northgate hawthorne ca

"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 … " - Evolution in sedges carex cyperaceae

Evolution in sedges carex cyperaceae

Chromosome numbers of Carex (Cyperaceae) and their …

WebJul 19, 2024 · Phylogenies of Cyperaceae, Juncaceae, and their rusts (Pucciniaceae) are congruent, despite few cospeciation events, suggesting that preferential host jumps generated the cophylogenetic signal. Host diversification may have promoted parasite diversification, given the temporal congruence between the origin of major Carex clades … 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 …

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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 … 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 …

WebEVOLUTION 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 … 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 …

WebEconomic 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. 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 …

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 …

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 ... northgate healthcareWebEVOLUTION IN SEDGES (CAREX: CYPERACEAE) Andrew L. Hipp The Morton Arboretum, 4100 Illinois Route 53, Lisle, Illinois 60532-1293 E-mail: … how to say conde nastWebThe 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 … northgate heightsWebSedges (Carex: Cyperaceae), one of the largest genera of angiosperms with more than 2000 species worldwide (Reznicek 1990), exhibit a relatively high rate of species … northgate head start mount vernon ohWebJul 1, 1990 · Evolution in sedges (Carex, Cyperaceae). Can. J. Bot. 68 1409-1432.pdf. Content uploaded by Anton A Reznicek. Author content. … how to say concord new hampshireWebJan 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 ... how to say conchitaWebSedges (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 … northgate hearing services