Scholarlink

<p>This work aims to review the monospecific <i>Manihot anomala</i> complex through an integrative approach that involves leaf morphometry, descriptive taxonomy, and ecological analysis. Four subspecies, as well as<i> M. warmingii</i>, are here synonymized under <i>M. anomala</i> as result of overlapping diagnostic characters and geographic distribution. Two leaf morphotypes stood out in the complex, but these could not be recognized at the species or subspecies level, as their morphological differences can likely be attributed to hybridization and recent adaptation to contrasting environmental conditions. Among the three tested environmental variables, precipitation was the most relevant, with statistically significant values for six of 12 morphological characters. We also found that the reproductive characters traditionally used to delimit subspecies of <i>M. anomala</i> are unreliable and of limited taxonomic value for infraspecific delimitation, due to their high variability, developmental instability, and extensive overlap among taxa. Finally, a treatment for <i>M. anomala</i> is provided, containing descriptive analysis, taxonomic decisions, and occurrence update, in addition to six lectotypifications. The present work helps to resolve the status of <i>M. anomala</i>, while providing tools for future studies involving both <i>Manihot</i> and other plant groups known for their high foliar plasticity.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Unraveling the taxonomic knot of the monospecific Manihot anomala (Euphorbiaceae, Crotonoideae) complex through an integrative systematic approach

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月25日

查看全文
  • Edilton Vital de Oliveira-Neto,
  • Karen Yuliana Suarez-Contento,
  • Jefferson Rodrigues Maciel,
  • Márcio Lacerda Lopes Martins,
  • Sarah Maria Athiê-Souza

摘要

This work aims to review the monospecific Manihot anomala complex through an integrative approach that involves leaf morphometry, descriptive taxonomy, and ecological analysis. Four subspecies, as well as M. warmingii, are here synonymized under M. anomala as result of overlapping diagnostic characters and geographic distribution. Two leaf morphotypes stood out in the complex, but these could not be recognized at the species or subspecies level, as their morphological differences can likely be attributed to hybridization and recent adaptation to contrasting environmental conditions. Among the three tested environmental variables, precipitation was the most relevant, with statistically significant values for six of 12 morphological characters. We also found that the reproductive characters traditionally used to delimit subspecies of M. anomala are unreliable and of limited taxonomic value for infraspecific delimitation, due to their high variability, developmental instability, and extensive overlap among taxa. Finally, a treatment for M. anomala is provided, containing descriptive analysis, taxonomic decisions, and occurrence update, in addition to six lectotypifications. The present work helps to resolve the status of M. anomala, while providing tools for future studies involving both Manihot and other plant groups known for their high foliar plasticity.