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   a new subspecies of reseda microcarpa from iran  
   
نویسنده ranjbar massoud ,asgari nematian mahtab
منبع رستنيها - 2021 - دوره : 22 - شماره : 2 - صفحه:310 -324
چکیده    Reseda microcarpa subsp. zanjanica is described as a new subspecies from zanjan province (nw iran). morphological and micromorphological characteristics (flowers, leaves, inflorescences, fruits, seeds, and pollen grains), habitat features (ecological conditions that influenced the growth of this taxon such as altitudes and growing beds), distribution, taxonomic notes, and conservation status (iucn red list categories and criteria) are provided and compared for new subspecies and r. microcarpa subsp. microcarpa. moreover, statistical analysis by multivariate statistical analyses software (mvsp) segregated both the taxa based on morphological and micromorphological characteristics (quantitative and qualitative) with principal components analysis (pca). all characteristics formed three groups (group b: plant height and inflorescence length, group c: polar pollen axis and minimum and the average of colpus measurements, and group a: includes the rest studied morphological and micromorphological characteristics) except one characteristic (i.e. maximum size of colpus measurements) and two groups had high value for segregation of both taxa based on the statistical analysis (group c for r. microcarpa subsp. microcarpa, and group b for the new subspecies). although, characteristic group a was valuable in the position of both taxa, the maximum size of colpus had the lowest value.
کلیدواژه habitat ,new subspecies ,micromorphology ,resedaceae ,taxonomy ,zanjan province
آدرس bu-ali sina university, department of biology, herbarium division, iran, bu-ali sina university, department of biology, herbarium division, iran
پست الکترونیکی mahtabasgari5@gmail.com
 
   A new subspecies of Reseda microcarpa from Iran  
   
Authors Ranjbar Massoud ,Asgari Nematian Mahtab
Abstract    Reseda microcarpa subsp. zanjanica is described as a new subspecies from Zanjan province (NW Iran). Morphological and micromorphological characteristics (flowers, leaves, inflorescences, fruits, seeds, and pollen grains), habitat features (ecological conditions that influenced the growth of this taxon such as altitudes and growing beds), distribution, taxonomic notes, and conservation status (IUCN Red List categories and criteria) are provided and compared for new subspecies and R. microcarpa subsp. microcarpa. Moreover, statistical analysis by multivariate statistical analyses software (MVSP) segregated both the taxa based on morphological and micromorphological characteristics (quantitative and qualitative) with Principal Components Analysis (PCA). All characteristics formed three groups (group B: plant height and inflorescence length, group C: polar pollen axis and minimum and the average of colpus measurements, and group A: includes the rest studied morphological and micromorphological characteristics) except one characteristic (i.e. maximum size of colpus measurements) and two groups had high value for segregation of both taxa based on the statistical analysis (group C for R. microcarpa subsp. microcarpa, and group B for the new subspecies). Although, characteristic group A was valuable in the position of both taxa, the maximum size of colpus had the lowest value.
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