Abstract
Stachys, among the largest genera of Lamiaceae, includes approximately 370 species (435 taxa) and has a subcosmopolitan distribution. Here, based on their distinctive features of morphological characters, Muğla (Turkey) specimens are determined to represent a distinct species than relevant Stachys species in Turkey and Greece. Stachys milasensis Ö.Güner, described as a new species, belongs to section Swainsoniana and is an endemic species to Turkey. The newly described species shows affinity with S. swainsonii growing in Greece but differs from it in dense villous flowering stems, ovate to oblong-lanceolate cauline leaves, bilabiate calyx and oblong-ovate calyx teeth and oblong-ovate nutlets. In addition to morphological differences, the new species is geographically isolated from S. swainsonii. With this addition, the number of Turkish Stachys species has reached 94 (121 taxa), and 65 (53.7%) of these taxa are endemic.
References
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<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Constantinidis, T. (1995) <em>Stachys euboica</em> Rech. fil.<em> In: </em>Phitos, D., Strid, A., Snogerup, S. & Greuter, W. (eds.) <em>The Red Data Book of Rare, Threatened Plants of Greece.</em> Michalas K., Athens, pp. 478–479. </span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Dimopoulos, P., Raus, Th., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A. & Tzanoudakis, D. (2013) <em>Vascular plants of Greece: An annotated checklist.</em> Berlin: Botanic Garden and Botanical Museum Berlin-Dahlem; Athens: Hellenic Botanical Society.</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Dumortier, B.C. (1827) <em>Florula Belgica.</em> Staminacia. Typis J. Casterman, Tornaci Nerviorum.</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Eker, İ., Duman, H. & Yıldırım, H. (2020) <em>Muscari muglaensis</em> (Asparagaceae, Scilloideae), a new species from southwestern Anatolia. <em>Phytotaxa</em> 475 (4): 267–278. https://doi.org/10.11646/phytotaxa.475.4.4</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Fırat, M. (2021) <em>Stachys semsurensis</em> (Lamiaceae), a new species from Adıyaman province (Turkey) belonging to section <em>Infrarosularis</em>. <em>Phytotaxa</em> 511 (3): 275–282. https://doi.org/10.11646/phytotaxa.511.3.6</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Gül, M., Zorlu, K. & Gül, M. (2019) Assessment of mining impacts on environment in Muğla-Aydın (SW Turkey) using Landsat and Google Earth imagery. <em>Environmental Monitoring and Assessment</em> 191 (11): 1–18. https://doi.org/10.1007/s10661-019-7807-3</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Güner, Ö. (2016) Taxonomic revision and molecular phylogenetic analysis for section <em>Fragilicaulis</em> R.Bhattacharjee of genus <em>Stachys</em> in Turkey. PhD, Balıkesir University Institute of Science, Balıkesir, Turkey.</span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Güner, Ö. (2022) Contributions to the Flora of Iraq: <em>Stachys bhattacharjeei</em> sp. nov. (Lamiaceae). <em>Feddes Repertorium</em>. https://doi.org/10.1002/fedr.202100039 </span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;">Güner, Ö., Akçiçek, E. & Dirmenci, T. (2021) A new <em>Stachys</em> species from Turkey: <em>Stachys siirtensis</em> (Lamiaceae). <em>Phytotaxa</em> 516 (3): 252–262. https://doi.org/10.11646/phytotaxa.516.3.4 </span></span></span></p>
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