Contribution of metabolic and physiological research for future conservation efforts of Himantoglossum Spreng. (Orchidaceae) species

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dc.contributor.authorAytar, Erdi Can
dc.contributor.authorDurmaz, Alper
dc.contributor.authorİncedere Uysal, Demet
dc.contributor.authorŞentürk, Bengisu
dc.contributor.authorHarzli, İnes
dc.contributor.authorBasılı, Taşkın
dc.contributor.authorÖzdener Kömpe, Yasemin
dc.contributor.authorDeniz, İsmail Gökhan
dc.date.accessioned2025-06-19T11:59:49Z
dc.date.available2025-06-19T11:59:49Z
dc.date.issued2025
dc.departmentAÇÜ
dc.description.abstractThis study aimed to examine the morphological characteristics and chemical compositions of seeds from five Himantoglossum (Himantoglossum calcaratum (Beck) Schltr., Himantoglossum caprinum (M.Bieb.) Spreng., Himantoglossum comperianum (Steven) P.Delforge, Himantoglossum montis-tauri Kreutz & W.Lüders and Himantoglossum robertianum (Loisel.) P.Delforge) species. Himantoglossum Spreng. is a unique genus of orchids found mostly in Europe, North Africa, and western Asia. It includes around 9 recognised species, although this number may change with further research. These orchids typically grow in Mediterranean areas, favouring calcareous soils. They are often found in open woodlands, grasslands, and scrublands. Himantoglossum species are easily recognised by their large, uniquely shaped central petals (lip), which give the flowers a striking appearance. The flowers are usually a mix of purple, pink, and white colours designed to attract various pollinators. Key features of this genus include their long flower racemes and petals that twist or spiral, setting them apart from other orchids. Each species group consisted of fifty seeds, which underwent size, embryo dimensions, and chemical composition analyses. Chemical analyses were conducted to identify the characteristic chemical compounds in the studied Himantoglossum taxa and to compare these compounds with those found in closely related species. These analyses aim to provide a deeper understanding of the chemical profiles of each taxon, offering valuable data to clarify their phylogenetic relationships. By highlighting species-specific chemical markers, the study seeks to strengthen the taxonomic distinctions between species and contribute to a more precise and reliable classification within the genus. Infrared spectroscopy and GC-MS analysis were used for these analyses. The infrared spectroscopy results showed that seeds from Himantoglossum species exhibited overall similarities, but variations in absorbance values were observed at specific wavelengths. Notably, H. montis-tauri exhibited distinct characteristics compared to other species. Furthermore, GC-MS analyses revealed differences in chemical composition among the species. Each species contained specific chemical compounds, accounting for observed variations. H. robertianum contained unique compounds, such as methoxyacetic acid benzyl ester (0.25%), H. caprinum contained diethyl phthalate (0.75%), H. comperianum had trimethylsilyl methaneperoxoate (3.29%), hydrazinecarbothioamide (1.93%), 2-methyl eicosane (0.26%), cyclosativene (0.53%), and octadecenoic acid methyl ester (0.50%). Meanwhile, H. montis-tauri contained specific compounds, including dimethoxymethyl silane (2.34%), hydracrylic acid hydrazide (1.93%), β-longipinene (1.42%), and 3-butoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trimethylsiloxy)tetrasiloxane (0.58%). In conclusion, this study elucidates differences and similarities in seed morphology and chemical composition among Himantoglossum species. Findings from seed morphologies and chemical contents were used to interpret the distribution ecology of the species and the morphological differences used in their distinction. These findings contribute to understanding interspecies relationships and adaptations, highlighting the potential utility of Himantoglossum species' chemical profiles in species identification and taxonomic research.
dc.identifier.doi10.1016/j.flora.2025.152678
dc.identifier.issn03672530
dc.identifier.scopus2-s2.0-85217402381
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://hdl.handle.net/11494/5542
dc.identifier.volume323
dc.identifier.wosWOS:001427222500001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakScopus
dc.indekslendigikaynakWeb of Science
dc.institutionauthorDurmaz, Alper
dc.language.isoen
dc.publisherElsevier GmbH
dc.relation.ispartofFlora: Morphology, Distribution, Functional Ecology of Plants
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectChemical composition
dc.subjectFTIR
dc.subjectInterspecies relationships
dc.subjectSeed morphology
dc.subjectTaxonomy
dc.titleContribution of metabolic and physiological research for future conservation efforts of Himantoglossum Spreng. (Orchidaceae) species
dc.typeArticle

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