García-Maroto, F., Garrido-Cárdenas, J. A., Gómez-Mercado, F., Guil-Guerrero, J. L. & López Alonso, D. 2003: Natural hybridisation and phylogenetic position of Saxifraga trabutiana (Saxifragaceae) inferred from ISSR markers and ITS sequences. — Ann. Bot. Fennici 40: 5–13.
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Pitkänen, A., Huttunen, P., Jungner, H., Meriläinen, J. & Tolonen, K. 2003: Holocene fire history of middle boreal pine forest sites in eastern Finland. — Ann. Bot. Fennici 40: 15–33.
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Vegetti, A. C. 2003: Synflorescence typology in Cyperaceae. — Ann. Bot. Fennici 40: 35–46.
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Bakalin, V. A. 2003: Notes on Lophozia IV. Some new taxa of Lophozia sensu stricto. — Ann. Bot. Fennici 40: 47–52.
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Dogan, M. & Akaydin, G. 2003: Two new species in Acantholimon sect. Staticopsis (Plumbaginaceae) from Turkey. — Ann. Bot. Fennici 40: 53–58.
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Ketenoglu, O. & Menemen, Y. 2003: Astragalus hamzaoglui (Fabaceae), a new species from the east Black Sea region, Turkey. — Ann. Bot. Fennici 40: 59–62.
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Margonska, H. B. 2003: Materials towards a revision of the genus Pseudoliparis (Orchidaceae, Malaxidinae), 1. — Ann. Bot. Fennici 40: 63–66.
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Szlachetko, D. L. 2003: Genera et species Orchidalium. 7. Vandeae. — Ann. Bot. Fennici 40: 67–70.
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Nomenclatural novelties in Ann. Bot. Fennici 40(1). — Ann. Bot. Fennici 40: 71.
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Åström, H. & Hæggström, C.-A. 2003: Chromosome numbers of Allium scorodoprasum and A. vineale from SW Finland and W Ukraine. — Ann. Bot. Fennici 40: 1–3.
The chromosome numbers of six diploid (2n = 16) and two triploid (2n = 24) populations of Allium scorodoprasum and eight tetraploid (2n = 32) populations of A. vineale were studied in Finland and western Ukraine. Triploid A. scorodoprasum has not previously been found in Finland. These are the first chromosome counts of A. vineale from Finland.
García-Maroto, F., Garrido-Cárdenas, J. A., Gómez-Mercado, F., Guil-Guerrero, J. L. & López Alonso, D. 2003: Natural hybridisation and phylogenetic position of Saxifraga trabutiana (Saxifragaceae) inferred from ISSR markers and ITS sequences. — Ann. Bot. Fennici 40: 5–13.
Natural hybridisation between Saxifraga trabutiana and Saxifraga granulata, two species belonging to different series of sect. Saxifraga, is reported. The hybrid, S. x sorianoi, is endemic to the high mountains of Sierra de Filabres (Spain). The high morphological variation of S. granulata makes it difficult to differentiate all individual variants of this species from true hybrids found in sympatric populations. To test the hypothesis of the hybrid origin of S. x sorianoi, we have used parental-specific molecular markers, obtained by ISSR (Inter-Simple Sequence Repeat) analysis and restriction of ITS (Internal Transcribed Spacer) sequences. In agreement with that hypothesis, marker profiles showed strong additivity according to its parental species. On the other hand, the ITS sequence of S. trabutiana was analysed along with those from other species of sect. Saxifraga to determine its relative position within this complex group. Saxifraga trabutiana clustered with S. erioblasta and S. rigoi, all of them classified into series Gemmiferae. Conversely, other taxa of the same series such as S. globulifera, which is morphologically very similar to S. trabutiana, are scattered over different clusters. This is in line with what has been described for other plants of sect. Saxifraga. Discrepancies between molecular phylogeny and the relationships inferred from morphological data are discussed in a general context of reticulation within sect. Saxifraga.
Pitkänen, A., Huttunen, P., Jungner, H., Meriläinen, J. & Tolonen, K. 2003: Holocene fire history of middle boreal pine forest sites in eastern Finland. — Ann. Bot. Fennici 40: 15–33.
A Holocene fire history of dry heath forests of Cladina and Empetrum–Vaccinium types in eastern Finland was reconstructed on the basis of charcoal layer data from two small mire basins and fire scars in living and dead pines. In addition, charcoal layers at two sites at the margin of a large mire were surveyed. Charcoal layers are indisputable evidence of in situ fires on the mire and provide a reliable fire record in the forest site adjacent to the studied peat deposits. Natural fire frequency was considerably lower than is usually assumed. The charcoal layer data indicate no more than 43 and 42 fires at the two dry forest sites during the whole Holocene period prior to any significant human influence. In natural conditions after the establishment of spruce (about 6300 cal. BP) Cladina and Empetrum-Vaccinium sites burned at an average interval of 170–240 years, which is 3–8 times longer than the average intervals of 30–50 years put forward in fire scar studies covering the past few centuries. At the other site seven charcoal layers could be dated to the time after about AD 1500, when extensive human influence started in the area. The data indicate changes in fire frequency linked with major climatic changes at the transition of the Boreal and Atlantic, and of the Atlantic and Subboreal chronozones (around 9000 and 6300 cal. BP, respectively). The data suggest no increase in natural fires due to the anticipated recent global climatic warming in Fennoscandia.
Vegetti, A. C. 2003: Synflorescence typology in Cyperaceae. — Ann. Bot. Fennici 40: 35–46.
This work presents the basis for typological study of the inflorescences in Cyperaceae. Inflorescence variation in this family are analyzed and discussed from the typological point of view. However, this review does not intend to comprise all of the variation present in the inflorescence structure of the Cyperaceae.
Bakalin, V. A. 2003: Notes on Lophozia IV. Some new taxa of Lophozia sensu stricto. — Ann. Bot. Fennici 40: 47–52.
The paper describes the following species of Lophozia (Dum.) Dum. s. stricto: L. lantratoviae Bakalin sp. nova, L. austro-sibirica Bakalin sp. nova, and L. nepalensis Bakalin sp. nova. Lophozia lantratoviae is characterised by brown gemmae and biconcentric oil-bodies, L. austro-sibirica by paroecious inflorescences and greenish to colourless gemmae, and L. nepalensis by slender, attenuate shoot tips with reduced leaves. Lophozia handelii Herzog is synonymised with L. ventricosa (Dicks.) Dum. var. guttulata (Lindb. & H.W. Arnell) Bakalin.
Dogan, M. & Akaydin, G. 2003: Two new species in Acantholimon sect. Staticopsis (Plumbaginaceae) from Turkey. — Ann. Bot. Fennici 40: 53–58.
Acantholimon köycegizicum Dogan & Akaydin sp. nova and A. göksunicum Dogan & Akaydin sp. nova (Plumbaginaceae) are described and illustrated from Anatolia, Turkey. Acantholimon köycegizicum grows on serpentine mountain slopes between Köyceiz and Kaplicalar (C2 Mula) in South West Anatolia, and A. göksunicum grows on calcareous mountain steppe in Göksun (B6 Kahramanmara) in SE Anatolia. The species are closely related to A. calvertii, an endemic confined to East Anatolia. Diagnostic morphological characters are discussed. A revised key to Turkish Acantholimon species with 2–5-branched terminal spikes and previous years' stem with persistent circinate leaf bases is also presented along with notes on the ecology, biogeography and conservational status of the new species.
Ketenoglu, O. & Menemen, Y. 2003: Astragalus hamzaoglui (Fabaceae), a new species from the east Black Sea region, Turkey. — Ann. Bot. Fennici 40: 59–62.
Astragalus hamzaoglui O. Ketenoglu & Y. Menemen (Fabaceae), a new species from Turkey is described and illustrated. It belongs to section Hypoglottoidei DC. and resembles A. viciifolius DC. and A. viridissimus Freyn & Sint., from which it differs in the habit, indumentum of stem and leaf, and floral features.
Margonska, H. B. 2003: Materials towards a revision of the genus Pseudoliparis (Orchidaceae, Malaxidinae), 1. — Ann. Bot. Fennici 40: 63–66.
One new combination at the section level and nine combinations at the species level are proposed in the genus Pseudoliparis (Orchidaceae, Malaxidinae).
Szlachetko, D. L. 2003: Genera et species Orchidalium. 7. Vandeae. — Ann. Bot. Fennici 40: 67–70.
The following genera of the tribe Vandeae (Orchidaceae, Vandoideae) are described as new to science: Barombiella Szlach., Blumeorchis Szlach., Lacroixia Szlach., Neocribbia Szlach., and Ormerodia Szlach. New combinations proposed in Vandeae are Coenadenium (Summerh.) Szlach., stat. & comb. nov. and Acampe Lindl. sect. Sarcophyton (Garay) Szlach., stat. & comb. nova. Twenty-six new combinations at the species level are validated.