Malacothamnus Volume 1 is popular PDF and ePub book, written by Keir Morse in 2023-08-18, it is a fantastic choice for those who relish reading online the Science genre. Let's immerse ourselves in this engaging Science book by exploring the summary and details provided below. Remember, Malacothamnus Volume 1 can be Read Online from any device for your convenience.
Malacothamnus Volume 1 Book PDF Summary
The taxonomy of the genus Malacothamnus (Malvaceae) has been controversial for many years due to conflicting treatments and the many taxa of conservation concern not recognized in some of these treatments. Purported intergradation and hybridization are the primary justifications for not recognizing these taxa. Two recent morphological studies examining small subsets of Malacothamnus taxa debunked the purported ambiguities between the taxa analyzed and provided evidence for a new species. This indicated a morphological assessment of the full genus would be highly beneficial to identify and clarify both morphological groupings and character states within the genus prior to testing taxon hypotheses within a phylogenetic framework. This study follows the previous two by examining the remaining subsets of Malacothamnus taxa that have been combined and/or confused in the past. These subsets are analyzed with principle component analysis (PCA), pairwise permutational multivariate analysis of variance (PERMANOVA), and linear discriminant analysis (LDA) to answer (1) whether taxa relegated to synonymy by some authors are morphologically distinct or not, (2) whether there is morphological evidence to support purported intergradation between taxa, (3) whether previously defined morphological boundaries between taxa are justifiable or need refining, and (4)whether populations of hypothesized novel taxa are morphologically distinct from the taxathey have been included within. Twenty-nine previously named and nine unnamed morphological groupings were recovered in taxon subset analyses. These were then included in a global analysis of the genus followed by comparisons of morphological characters between all groupings. The 38 morphological groups recovered range in distinctness from clear taxa that are both morphologically and geographically distinct to intergrading forms needing further research to base taxonomic decisions upon. These 38 morphological groups are assessed as hypothetical lineages using phylogenetic analyses in Volume 2 of this monograph.
Detail Book of Malacothamnus Volume 1 PDF
- Author : Keir Morse
- Release : 18 August 2023
- Publisher : Keir Morse
- ISBN : 9798988970606
- Genre : Science
- Total Page : 141 pages
- Language : English
- PDF File Size : 7,8 Mb
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