ISSN 0003-3847 (print)  ISSN 1797-2442 (online)
© Finnish Zoological and Botanical Publishing Board

Contents of Volume 47 Number 4, 2010

Pan, B. & Zhu, X. Y. 2010: Taxonomic revision of Dumasia (Fabaceae, Papilionoideae). — Ann. Bot. Fennici 47: 241–256.
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Zalewska-Gałosz, J. 2010: Potamogeton x subrufus Hagstr.: a neglected Potamogeton hybrid. — Ann. Bot. Fennici 47: 257–260.
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Sun, N., He, X. J. & Zhou, S. D. 2010: Epidermal morphology of Ligusticum (Apiaceae) from China. — Ann. Bot. Fennici 47: 261–279.
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Banaš, M., Zeidler, M., Duchoslav, M. & Hošek, J. 2010: Growth of Alpine lady-fern (Athyrium distentifolium) and plant species composition on a ski piste in the Hrubý Jeseník Mts., Czech Republic. — Ann. Bot. Fennici 47: 280–292.
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Sağıroğlu, M. & Duman, H. 2010: Ferula brevipedicellata and F. duranii (Apiaceae), two new species from Anatolia, Turkey. — Ann. Bot. Fennici 47: 293–300.
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Chen, L., Li, X. W., Zhang, J. B. & Li, J. Q. 2010: Castanopsis malipoensis and C. jinpingensis (Fagaceae), two new species from Yunnan, China. — Ann. Bot. Fennici 47: 301–305.
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Olsson, S., Enroth, J. & Quandt, D. 2010: Validation of the combination Homaliodendron fruticosum (Neckeraceae, Bryophyta). — Ann. Bot. Fennici 47: 306.
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Galán de Mera, A. & Vicente Orellana, J. A. 2010: Taraxacum decastroi and T. lacianense (Asteraceae), two new species from the Iberian Peninsula. — Ann. Bot. Fennici 47: 307–311.
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Iamonico, D. 2010: Malva subovata subsp. bicolor, comb. & stat. nov. (Malvaceae). — Ann. Bot. Fennici 47: 312–314.
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Szeląg, Z. 2010: Hieracia balcanica V. A new diploid species in Hieracium sect. Naegeliana (Asteraceae) from Macedonia. — Ann. Bot. Fennici 47: 315–319.
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Nomenclatural novelties in Ann. Bot. Fennici 47(4). — Ann. Bot. Fennici 47: 320.
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Pan, B. & Zhu, X. Y. 2010: Taxonomic revision of Dumasia (Fabaceae, Papilionoideae). — Ann. Bot. Fennici 47: 241–256.

In this taxonomic revision of Dumasia (Fabaceae), eight species, two subspecies, and one variety are recognized. Two new combinations, D. villosa DC. subsp. leiocarpa (Benth.) B. Pan & X.Y. Zhu and D. yunnanensis Y.T. Wei & S.K. Lee var. arunachalensis (S.V. Predeep & M.P. Nayar) B. Pan & X.Y. Zhu are proposed. Four names are reduced to synonyms, and six lectotypes are designated. Chromosome numbers of D. forrestii Diels, D. hirsuta Craib, and D. yunnanensis Y.T. Wei & S.K. Lee are reported for the first time (2n = 20). Descriptions, illustrations, distribution maps, chromosome numbers, ecology, phenology, and a key to all taxa are provided.

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Zalewska-Gałosz, J. 2010: Potamogeton x subrufus Hagstr.: a neglected Potamogeton hybrid. — Ann. Bot. Fennici 47: 257–260.

The original material of Potamogeton x subrufus Hagstr. [= P. lucens L. x P. nodosus Poir.] and the herbarium material of the morphologically most similar hybrid, P. x fluitans Roth [= P. lucens L. x P. natans L.], were examined taxonomically. Approximately 45 characters were studied on 42 herbarium specimens of both taxa. The analysis shows that P. x subrufus displays several characters consistently different from those of P. x fluitans. Two new European localities of P. x subrufus found during the study are also provided and a morphological description of the hybrid, including distinguishing characters, is given.

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Sun, N., He, X. J. & Zhou, S. D. 2010: Epidermal morphology of Ligusticum (Apiaceae) from China. — Ann. Bot. Fennici 47: 261–279.

We examined 15 species of the genus Ligusticum (Apiaceae) from China using LM (light microscopy) and SEM (scanning electron microscopy). Different species have irregular and polygonal epidermal cells and four different stomatal types. Almost all species have different types of stomata on the same leaf surface. Ridges and striations on the cuticular membrane are common features in Ligusticum, and special striation papillae are found in three species. Regarding its epidermal characters, Ligusticum is not supported as a natural genus. Tilingia is suggested as being restored from Ligusticum. The monophyly of Ligusticopsis is not supported and it cannot be segregated from Ligusticum by epidermal characters. We confirm a very close relationship between Ligusticum and Conioselinum and discuss some of the valuable taxonomic characters of Ligusticum.

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Banaš, M., Zeidler, M., Duchoslav, M. & Hošek, J. 2010: Growth of Alpine lady-fern (Athyrium distentifolium) and plant species composition on a ski piste in the Hrubý Jeseník Mts., Czech Republic. — Ann. Bot. Fennici 47: 280–292.

This study was focused on identifying the impact of a ski piste on snow conditions, soil temperature, as well as phenological development and growth of Athyrium distentifolium, and examining differences in species composition between the ski piste and the natural environment. Longer snow-cover period and deeper snow were observed on the ski piste than in the natural surroundings. Lower soil temperature was found on the ski piste during the peak winter period and at the beginning of the growing period. Different environmental conditions on the ski piste caused a delay and shortening of the phenological development of A. distentifolium in the late spring. Individuals of that plant caught up the initial delay in phenological development within 36 days after the beginning of measurement. However, plants only grew to lower height on ski piste as compared with plants in control plots. Even relatively small differences in the time of snow melt and soil temperature development in stands examined on the ski piste resulted in significant changes in the species composition of the studied vegetation towards subalpine tall grasslands.

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Sağıroğlu, M. & Duman, H. 2010: Ferula brevipedicellata and F. duranii (Apiaceae), two new species from Anatolia, Turkey. — Ann. Bot. Fennici 47: 293–300.

Two new species in Apiaceae, Ferula brevipedicellata Peşmen ex M. Sağıroğlu & H. Duman and F. duranii M. Sağıroğlu & H. Duman are described and illustrated from East and South Anatolia, Turkey, respectively. The diagnostic morphological characters are discussed; notes on the ecology of the new species are presented and electron micrographs of the mericarp surfaces of F. brevipedicellata are provided. A somatic metaphase plate of F. duranii shows a chromosome number of 2n = 22.

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Chen, L., Li, X. W., Zhang, J. B. & Li, J. Q. 2010: Castanopsis malipoensis and C. jinpingensis (Fagaceae), two new species from Yunnan, China. — Ann. Bot. Fennici 47: 301–305.

Castanopsis malipoensis and C. jinpingensis, two new species of Fagaceae from Yunnan, China, are described and illustrated. The former grows in mixed forests on limestone hills of the Malipo County and is closely related morphologically to C. xichouensis, differing from it by having thinner leaves, shorter petioles, flat glabrous cupule spines, and larger nuts. The latter is restricted to the thick forest on Mt. Wutai in the Jinping County, most resembling C. platyacantha, but differing from it by its entire leaf-margin, slender cupule spines without pubescences, and having smaller nuts. A key to the two species and their allies is provided.

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Olsson, S., Enroth, J. & Quandt, D. 2010: Validation of the combination Homaliodendron fruticosum (Neckeraceae, Bryophyta). — Ann. Bot. Fennici 47: 306.

The previously invalidly published combination Homaliodendron fruticosum S. Olsson, Enroth & D. Quandt (Neckeraceae, Bryophyta) is here validated by citing the basionym.

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Galán de Mera, A. & Vicente Orellana, J. A. 2010: Taraxacum decastroi and T. lacianense (Asteraceae), two new species from the Iberian Peninsula. — Ann. Bot. Fennici 47: 307–311.

Two new species of Taraxacum are described and illustrated. Taraxacum decastroi A. Galán & Vicente Orell. was found in the Spanish Pyrenees, while T. lacianense A. Galán & Vicente Orell., was collected in the Cantabrian Mountains.

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Iamonico, D. 2010: Malva subovata subsp. bicolor, comb. & stat. nov. (Malvaceae). — Ann. Bot. Fennici 47: 312–314.

The name Malva subovata (DC.) Molero & J.M. Monts. subsp. bicolor (Rouy) Iamonico, comb. & stat. nov. (Malvaceae) is proposed according to current generic concepts in the tribe Malveae.

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Szeląg, Z. 2010: Hieracia balcanica V. A new diploid species in Hieracium sect. Naegeliana (Asteraceae) from Macedonia. — Ann. Bot. Fennici 47: 315–319.

Hieracium renatae Szeląg (Asteraceae), distinguished by its glabrous involucral bracts, is described from the alpine belt of the Jakupica Mountains in Macedonia. It is the first known diploid in Hieracium sect. Naegeliana.

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