• [2] Huge increases in angiosperm (flowering plants) diversity have coincided with the timing of ancient genome duplications shared by many species. (wikipedia.org)
  • Cytotype diversity and genome size variation in eastern Asian polyploid Cardamine (Brassicaceae) species. (lookformedical.com)
  • [1] Some estimates suggest that 30-80% of living plant species are polyploid, and many lineages show evidence of ancient polyploidy (paleopolyploidy) in their genomes . (wikipedia.org)
  • For example, common wheat is a polyploid with six sets of chromosomes, two sets coming originally from each of three different species. (wikipedia.org)
  • Hybridization between two polyploid Cardamine (Brassicaceae) species in North-western Spain: discordance between morphological and genetic variation patterns. (lookformedical.com)
  • sometimes known as ipos (derived from the Spanish apio), indian potato, indian carrot, wild carrot, false caraway, wild caraway, or squaw root, is a native North American root crop that is comprised of twelve similar species. (cultivariable.com)
  • We prefer to treat this taxon as an aggregate species until the ploidy of plants at the different type localities is better known. (efloras.org)
  • In China, L. chinensis has only one sister species, the diploid L. panicea, whose damage is rarely reported. (bvsalud.org)
  • The chromosomes of this species form three sets of bivalents ( He 2018 ). (cultivariable.com)
  • Aneuploidy , one or a few chromosomes more or less than the usual number in the species. (wikipedia.org)
  • The majority of this guide refers only to the six species for which there is good evidence of historical use as an edible. (cultivariable.com)
  • Of the questionably edible species, I have grown only P. lemmonii and P. howellii . (cultivariable.com)
  • The tubers that I have tasted were not terribly bitter and I can imagine making edible selections of this species without too much trouble. (cultivariable.com)
  • Eleven species of yampah range from southwest Canada to the southwest US, with a disjunct population of a single species in the Midwest. (cultivariable.com)
  • Our results support previous studies that found high genetic diversity and population structure within the species. (bvsalud.org)
  • There may, however, be many genetic changes in the species after polyploidy has taken place. (wikipedia.org)
  • Many polyploids are fitter than their parental species, and may display novel variation or morphologies that contribute to speciation and eco-niche exploitation. (wikipedia.org)
  • Glycoalkaloids can be rather high in this species so I recommend that you refrain from eating large amounts. (cultivariable.com)
  • Subramanian (2017) found that at least some accessions of this species have unusually high dry matter content. (cultivariable.com)
  • It is common among ferns and flowering plants (see Hibiscus rosa-sinensis), including both wild and cultivated species. (wikipedia.org)
  • Plants are variable in frond and pinna shape, even at the type locality at Dinghu Shan, Guangdong, where the species is dodecaploid. (efloras.org)
  • While some of this information may be useful to foragers who are interested in collecting yampah, I am not providing any information about identifying species or differentiating them from poisonous species that are similar in appearance. (cultivariable.com)
  • 1960), but in China, this is an aggregate of octo- and dodecaploid taxa. (efloras.org)
  • Towill (1983) found that seeds of this species stored at 1 to 3 degrees C germinated at 60 to 98% after 20 years. (cultivariable.com)
  • The following species have good evidence of past human use as edibles. (cultivariable.com)
  • Vega (1995) found that this species is much more frost tolerant than domesticated potato. (cultivariable.com)
  • Ploidy within this study ranged from diploid to dodecaploid. (bvsalud.org)
  • This species is hexaploid (2 n = 42), but dodecaploid individuals were detected in the same population from Windorah, Queensland ( Hassall, 1976 ). (e-kjpt.org)
  • Genome duplication has been shown repeatedly to be associated with changes in biotic interactions, but little is known about whether species traits such as herbivore resistance consistently change with increasing ploidy level among closely related plant species. (unifr.ch)
  • Penstemon is the largest genus in North America with more than 270 reported species. (bvsalud.org)
  • Using flow cytometry, we estimated the genome size of approximately 40% of the genus (115 accessions from 105 different species). (bvsalud.org)
  • Numerical study using morphological data was conducted within Australian Euphorbia species, and supported naturalness of the sect. (e-kjpt.org)
  • Vegetatively Lavatera mauritanica is similar to most other species of Malva section Malva and Lavatera section Anthema , especially when young. (malvaceae.info)
  • The Australian species of Euphorbia section Eremophyton Boiss. (e-kjpt.org)
  • Of the five species in this section, E. tannensis Spreng. (e-kjpt.org)