DACTYLORHIZA SAMBUCINA (L.) SOÓ (ORCHIDACEAE) A NEW SITE OUTSIDE THE CONTINUOUS RANGE IN POLAND. AGNIESZKA STEFANIAK 1 and MAŁGORZATA DĄBROWSKA 2

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Stanisław Anatol Kalinowski
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1 Arch. Biol. Sci., Belgrade, 65 (2), , 2013 DOI: /ABS S DACTYLORHIZA SAMBUCINA (L.) SOÓ (ORCHIDACEAE) A NEW SITE OUTSIDE THE CONTINUOUS RANGE IN POLAND AGNIESZKA STEFANIAK 1 and MAŁGORZATA DĄBROWSKA 2 Department of Geobotany and Plant Ecology, University of Łódz, Lódź, Poland Abstract - The Elder-flowered Orchid Dactylorhiza sambucina represents a sub-element of Central European and Alpine- North European vegetation type (Hare and Hare, 2001). The northern border of geographical area of this species is in Poland. It was recorded in 160 localities in the country, with 40 confirmed ones in the last 10 years. The main centers of occurrence of this species are the Sudety and Karpaty mountains. The northernmost locality of the Elder-flowered Orchid was in the Pogórze Kaczawskie. A new site within the Półboru Reserve is now the northernmost site of this species in Poland. Key words: Dactylorhiza sambucina, a new site, Central Reserve Półboru, Poland. INTRODUCTION Dactylorhiza sambucina (L.) Soó, the Elder-flowered Orchid (Orchis sambucina syn. L., Dactylorhiza latifolia (L.) Soó) belongs to the genus Dactylorhiza comprising 10 to 30 species. The difference in their number is the result of unclear taxonomic status of the members of this genus (Szlachetko, 2010). Dactylorhiza sambucina is a geophyte with about 2 or 3 shallow divided tubers. The shoot is simple, robust, green or red and empty in the middle (Piekoś- Mirkowa and Mirek, 2006) and cm in height (Hegi, 1939; Mirek, et al., 1995; Piekoś-Mirkowa and Mirek, 2006; Szlachetko, 2010; Baumann et al., 2010). Delforge (2006) gives the angular height of 10 to 30 (45) cm, Bernacki (1999) from 10 to 25 (30) cm, with 4-6 leaves devoid of spots. Inflorescence is cylindrical and loose, from 3 to 7 cm in length, with 5 to 25 flowers (Baumann et al., 2010). The flowers are yellow to red and have an elderberry odor. The Elder-flowered Orchid occurs mainly on sandy and clay soils from moderately dry to moist, with a weak acidic reaction (Baumann et al., 2010; Piekoś-Mirkowa and Mirek, 2006). It appears in Fagetalia sylvaticae woods, poor grasslands of the Nardus order and meadows of the Arrhenatheretalia order (Baumann et al., 2010; Piekoś-Mirkowa and Mirek, 2006; Wróbel, 2006). In Poland, this is a strictly protected species (Piekoś-Mirkowa and Mirek, 2006), and in the Polish Red Book of Plants it has the status of VU vulnerable to extinction (Kaźmierczakowa and Zarzycki, 2001). On the Red List of vascular plants in Poland, it is also a vulnerable species V (Zarzycki and Szeląg, 1992). MATERIALS AND METHODS Orchid shoots were found in May 2006 (Fig. 1) at the Półboru Reserve during field studies of forest communities (Dąbrowska, 2007). This position was confirmed in 2010 and 2011; only a single shoot was recorded in the area. The name of Dactylorhiza sambucina species was approved according to Delforge (2006). 697

Poland Abstract - The Elder-flowered Orchid Dactylorhiza sambucina represents a sub-element of Central European and Alpine- North European vegetation type (Hare and Hare, 2001).

2 698 AGNIESZKA STEFANIAK ET AL. Fig. 1. The Elder-flowered Orchid Dactylorhiza sambucina, red flower form in the Półboru Reserve (photo: M. Dabrowska, May 2006). Fig.2. The general reach of Dactylorhiza sambucina (L.) Soo (according to Bernacki et al., 2008)

form in the Półboru Reserve (photo: M. Dabrowska, May 2006). Fig.

3 Dactylorhiza sambucina (L.) Soó (Orchidaceae) a new position in Poland 699 Fig.3. Distribution of Dactylorhiza sambucina in Poland (Bernacki and Mróz revised). Fig.4. Location of the position of Dactylorhiza sambucina in the Półboru Reserve.

4 700 AGNIESZKA STEFANIAK ET AL. The Półboru Reserve is located in the municipality of Sieradz, the Sieradz district in the region of Łódź (Dąbrowska, 2007). According to Polish physical-geographical division (Kondracki, 1998), the reserve is located within the mesoregion of Wysoczyzna Łaska, the macroregion of Nizina Południowowielkopolska, subprovince of Niziny Środkowopolskie, province of Niż Środkoweuropejski. According to the Polish geobotanical division of Szafer (1988), the area belongs to the Widawski district, Północne Wysoczyzny Brzeżne region, Pas Wyżyn Środkowych suborder, Bałtyk order. The reserve was established in 1983 to protect an old forest stand of natural oak and pine, along with the positions of rare plant species. On the basis of geobotanical research in the reserve, there are two separate forest units: Potentillo albae-quercetum and Tilio-Carpinetum (Jakubowska-Gabara, 1995). DISCUSSION Dactylorhiza sambucina represents a sub-element of Central European and Alpine-North European vegetation type (Hare and Hare, 2001). It occurs mainly in the temperate zone, sub-mediterranean and in mountains in the Mediterranean area (Baumann et al., 2010; Buttler, 2000; Jersáková et al., 2006). The southern boundary of its range reaches southern Spain, northern Sicily and southern Peloponnese. The eastern border runs through Turkey, Ukraine, Small Caucasus. The northern boundary includes southern Norway and central Sweden (Fig. 2). In Poland, it occurs within the ranges of montane plants. The northern boundary of the continuous Central European acreage runs in the southern part of the country (Bernacki and Mróz, 2001). The acreage was recorded on Polish territory at about 160 sites, which in recent years has been confirmed only in 40 of them (Hare and Hare, 2001). Currently, the main centers of their occurrence in Poland are in Sudety (up to 1000 m asl), Pogórze Bolkowsko-Wałbrzyskie, Rudawy Janowickie (Mróz, 1994), Góry Bardzkie i Góry Złote (Mróz, 1994) and Pieniny (Zarzycki, 1981), (up to 1115 m). Currently, no positions have been confirmed from Nizina Śląsko-Łużycka and Nizina Śląska (Schube, 1903), Pogórze Cieszyńskie (Bernacki. 1999), Tatry, Wyżyna Krakowsko- Częstochowska and Góry Świętokrzyskie (Bernacki and Mróz, (2001). So far, the northernmost position of this species was located in Pogórze Kaczawskie (Pogórze Zachodniosudeckie). Other positions, further to the north, are the historic positions (Kaźmierczakowa and Zarzycki, 2001) (Fig.3). The new site of Dactylorhiza sambucina was found in the reserve in the hornbeam of the typical undergrowth of Półboru-Tilio-Carpinetum typicum in section 275 (Fig.4), and is outside the unique range of this species. Now it is the northernmost position in Poland. In addition, this finding is located in the lowland part of the country. The Elder-flowered Orchid is a species associated mainly with montane areas and highlands. In Poland, all previously recorded positions located in the lowlands are now considered historical. The withdrawal of the species from montane and upland areas can be also seen (Bernacki and Mróz, 2001). This can be connected to the disappearance of the habitats that this species prefers. These are habitats that require extensive mowing and grazing (Bernacki and Mróz, 2001). Various initiatives are being taken in Poland to protect this species, such as the procedure applied in the Pieniński Park Narodowy, where the meadows are mowed in order to maintain the 12 positions of the Elder-flowered Orchid (Wróbel, 2006). The new position is now located only in the lowlands. It is highly endangered due to the presence of only a single shoot of the species, as well as the increased shading of its habitat due to the expansion of hornbeam (Jakubowska-Gabara, 1995). REFERENCES Baumann, H., Kunkele, S. and R. Lorenz (2010). Flora Świata. Storczyki Europy i obszarów sąsiednich. Multico Oficyna Wydawnicza, Warszawa, Bernacki, L.(1999). Storczyki zachodniej części polskich Beskidów. COLGRAF-PRESS, Poznań, Bernacki, L., and L. Mróz (2001). Dactylorhiza sambucina (L.) Soó. Kukułka bzowa. In: Polska Czerwona Księga Roślin. Paprotniki i rośliny kwiatowe (Eds. R. Kaźmierczakowa and K. Zarzycki), Polska Akademia Nauk, Kraków,

of Niziny Środkowopolskie, province of Niż Środkoweuropejski.

5 Dactylorhiza sambucina (L.) Soó (Orchidaceae) a new position in Poland 701 Buttler, K. (2000). Storczyki. Leksykon przyrodniczy. Świat Książki, Warszawa, Delforge, P. (2006). Orchids of Europe, Nord Africa and the Middle East. A&C Black. Publishers, London, Dąbrowska, M. (2007). Zmiany zbiorowisk leśnych rezerwatu Półboru w ciągu 26 lat. Manuskrypt pracy magisterskiej. Katedra Geobotaniki i Ekologii Roślin Uniwersytet Łódzki, Hegi, G. (1939). Illustrierte Flora von Mittel-Europa. Band 2. Munchen, Jersáková,J., Kindlmann,P. and S.S. Renner (2006). Is the colour dimorphism in Dactylorhiza sambucina maintained by differential seed viability instead of frequency dependent selection? Folia Geobotanica, 41, Jakubowska-Gabara, J. (1995). Szata roślinna rezerwatu Półboru oraz jej zmiany w ciągu dziesięciu lat. Acta Universitatis Lodziensis, Folia sozol, 4, Kondracki, J. (1998). Geografia regionalna Polski. PWN, Warszawa, Piekoś-Mirkowa, H. and Z Mirek (2006). Rośliny Chronione. Flora Polski. Multico, Mirek, Z., Piękoś-Mirkowa, H., Zając, A., and M. Zając (1995). Vascular plants of Poland. A checklist. Instytut Botaniki PAN, Kraków, Bernacki, L., Wróbel, I., Stawowczyk, K., Beczała, T., Błońska, A., Kozak, M. and M. Nobis (2008). Dactylorhiza sambucina (L.) Soo. In: Czerwona Księga Karpat Polskich. Rośliny Naczyniowe. (Eds. Z. Mirek and H. Piękoś Mirkowa), Kraków, Mróz, L. (1994). Ekologia Dactylorhiza sambucina (L.) Soó w Sudetach. Acta Universitatis Wratislaviensis 1605, Prace Botaniczne LXXVI, Schube, T. (1903). Die Verbreitung der Gefässpflanzen in Schlesien, preussischen und österreichischen Anteils. Druck von R. Nischowsky, Breslau, Szafer, W., Kulczyński, S., B. and W. Pawłowski (1988). Rośliny Polskie. PWN, Warszawa, Cz. II Szlachetko, D. L. (2010). Flora Polski. Storczyki. Multico Oficyna Wydawnicza, Warszawa, Wróbel, I.( 2006). Kukułka bzowa Dactylorhiza sambucina (L.) SOÓ wiosenna ozdoba pienińskich łąk Pieniny. Przyroda i Człowiek, 9, Zając, A. and M. Zając (2001). Atlas rozmieszczenia roślin naczyniowych w Polsce. Nakładem Pracowni Chorologii Komputerowej Instytutu Botaniki UJ, Kraków, Zarzycki, K. (1981). Rośliny naczyniowe Pienin. Rozmieszczenie i warunki występowania. Wydawnictwo Naukowe PWN, Warszawa Kraków, Zarzycki, K. and Z. Szeląg (1992). Czerwona lista roślin naczyniowych zagrożonych w Polsce. In: Lista roślin zagrożonych w Polsce. (Eds. K. Zarzycki, W. Wojewoda, and Z. Heinrich), Instytut Botaniki im. W. Szafera PAN, Kraków, Plan zagospodarowania częściowego Półboru na okres r. OZLP Łódź, Nadleśnictwo Sieradz.

Manuskrypt pracy magisterskiej. Katedra Geobotaniki i Ekologii Roślin Uniwersytet Łódzki, 1-92. Hegi, G. (1939). Illustrierte Flora von Mittel-Europa. Band 2. Munchen, 418-524. Jersáková,J.

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