Tricky Morphology: A New Species of Chamaecrista (Leguminosae) Shows Strong Morphological Convergence Among Not Closely Related Species Found in Similar Habitat
| العنوان: | Tricky Morphology: A New Species of Chamaecrista (Leguminosae) Shows Strong Morphological Convergence Among Not Closely Related Species Found in Similar Habitat |
|---|---|
| المؤلفون: | Matheus Martins Teixeira Cota, Juliana Gastaldello Rando, Cristiane Snak, Luciano Paganucci de Queiroz |
| المصدر: | Systematic Botany. 46:962-972 |
| بيانات النشر: | American Society of Plant Taxonomists, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Genetics, Plant Science, Ecology, Evolution, Behavior and Systematics |
| الوصف: | — Plants from Brazilian campos rupestres usually present morphological strategies that allow them to survive in extreme environments. However, in Chamaecrista (Leguminosae, Caesalpinioideae), one of the most diverse genera in the campos rupestres, needle-like leaflets are rare. Reviewing the species that present such leaf morphology, we describe Chamaecrista acicularis, a new species from the Canastra Range, in the southwestern region of the state of Minas Gerais, Brazil. Phylogenetic analyses revealed that C. acicularis is not closely related to other quite similar needle-like leafleted species and that this trait evolved convergently. We also present comments on the phylogenetic relationships of needle-like leafleted species as well as the evolution of the leaflet amplitude, and a detailed description of C. acicularis alongside illustrations, photos, geographical distribution, a key to the needle-like leafleted species and taxonomic notes on similar species. Additionally, we expand the description of Chamaecrista strictifolia and present an informal conservation status for all needle-like leafleted species. |
| تدمد: | 0363-6445 |
| DOI: | 10.1600/036364421x16370110179528 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::a506713ec36064f27a03c560a3dd3b63 https://doi.org/10.1600/036364421x16370110179528 |
| رقم الانضمام: | edsair.doi...........a506713ec36064f27a03c560a3dd3b63 |
| قاعدة البيانات: | OpenAIRE |
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