TY - JOUR ID - 125629 TI - Taxonomic importance of nutlets and flowers in tribe Cynoglosseae (Boraginaceae) JO - The Iranian Journal of Botany JA - IJB LA - en SN - 1029-788X AU - Attar, Farideh AU - Sotoodeh, Arash AU - Sheidai, Masoud AU - Esfandani-Bozchaloyi,, Somayeh AU - Mirtadzadini, Mansour AD - Central Herbarium of Tehran University, College of Science, University of Tehran, Iran AD - UMR Agroécologie, Université de Bourgogne, France AD - Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran AD - Department of Biology, Faculty of Science, Shahid Bahonar University, Kerman, Iran Y1 - 2021 PY - 2021 VL - 27 IS - 2 SP - 146 EP - 163 KW - Floral structure KW - fruit morphology KW - Micro-morphology KW - PCA analysis KW - Boraginaceae KW - Cynoglosseae KW - Iran DO - 10.22092/ijb.2021.355061.1330 N2 - The macro and micro-morphology of flowers and nutlets of 35 species of Boraginaceae belonging to the Tribe Cynoglosseae have been studied by light and scanning electron microscopes. These include Paracaryum (8 species), Mattiastrum (11 species), Microparacaryum (4 species), Rindera (4 species), Cynoglossum (3 species), Solenanthus (2 species), Trachelanthus (1 species), and Lindelofia (1 species). Nutlets morphology of the examined species showed significant variation in shape, size, and surface ornamentation. Two main types of nutlets were defined: Type I, without a wing, nutlets densely glochidiate, was observed in Cynoglossum, Solenanthus, Trachelanthus, and Lindelofia; Type II, characterized by winged nutlets, was found in all examined species of Paracaryum, Mattiastrum, Microparacaryum, and Rindera. Our results highlight the importance of the floral and nutlet characters for the identification of the most studied species, based on cluster analysis. The main aim of the present study is to investigate the macro and micro-morphological characteristics of the studied species for the taxonomic identification and species delimitation at the tribal level. For quick and easy identification of the species, identification keys based on floral characters have been developed. UR - https://ijb.areeo.ac.ir/article_125629.html L1 - https://ijb.areeo.ac.ir/article_125629_011f796fcb88b9133a6f7a25f745f0e5.pdf ER -