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Linum tommasinii
Tommasini's Austrian Flax (?)
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Photographer: Dr. Amadej Trnkoczy
ID: 0000 0000 1117 1785 (2017-11-23)Copyright © 2017 Dr. Amadej Trnkoczy
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INFORMATION PROVIDED WITH THE PHOTO
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date of photo Apr 30, 2017
latitude 45.01458 longitude 14.67656
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location
Island Krk, halfway between the mountain pass on the main road Krk - Baška and Obzova peak, 568 m (1.863 ft), next to the south edge of the planted forest of Pinus nigra on top of the ridge; Adriatic Sea, Kvarner bay (Rijeka region, Croatia)notes Slo.: Tommasinijev lan - syn.: Linum tommasinii Rchb. (?), Linum austriacum L. subsp. tommasinii (Rchb.) Greuter & Burdet, Linum austriacum L. (?) - Habitat: flat mountain ridge, stony plateau, locally almost flat terrain; calcareous, skeletal ground, full sun, dry place; exposed to strong winds and direct rain; elevation 435 m (1.430 feet); average precipitations ~ 1.000 mm/year, average temperature 11 - 13 deg C, (Sub)Mediterranean phytogeographical region. Substratum: soil among stones and rocks. Comments: Linum tommasinii (= Linum austriacum subsp. tommasinii = Linum austriacum) is another taxon, which naming and taxonomical approach differ from authority to authority. Its determination is considered critical (Ref.:2). The flowers of this beautiful and tender plant are sky-blue. The plant seems to be rare almost everywhere. In Slovenia it is declared critically endangered. Apart of a few historical records (Ref.:6), it has been found only four times on two places during last 20 years (Ref.:5). Similar situation seems to be in extreme northeast Italy in Karst region around town Trieste in Friuli Venetia Giulia (Ref.:8, 11). Also there it has been found near Adriatic Sea shore but only in four Middle-European MTB squares during last 50 years. In Croatia it is presently known from three islands in Kvarner bay (Cres, Lošinj and Krk) and from Adriatic Sea coastal regions (Ref.:7). Its presence in other parts of Europe is described inconsistently in literature. According to Ref.:2 it is present in Austria (including Alpine regions; under the species name Linum austriacum (Linum austriacum ssp. austriacum)) while Ref.:3. claims it is absent from the Alps. Ref.11 claims it is not present on Sicily while Ref.4 claims the opposite. Some sources (Ref.:4 for example) consider it as a mountain species not growing below 520 m elevation, others claim it can grow from lowland to max 1.000 m and Ref. 9 claims the highest find at over 2.000 m. Most sources claim plant's height to be from 25 to 35 cm, while the plants of this find were about four to five times smaller. So, it is hard to imagine that all these sources deal with the same taxon. On the island Krk the plant grows at about 450 m elevation near the top of island's highest mountain in an impressive landscape where only scattered juniper bushes distinguish it from moonscape. This tiny, tender creature apparently lost in vast sea of stones, growing there under hot Mediterranean summer sun, in very dry conditions and in scarce and nutrients poor soil, swept by very strong winds Bora and Jugo, persisting there for centuries if not millennia seems like a miracle. Pravilnik o uvrstitvi ogroženih rastlinskih in živalskih vrst v rdeči seznam, Uradni list RS, št. 82/2002 (Regulation of enlisting of endangered plant and animal species onto Red List, Official Gazette of Republic Slovenia, no. 82/2002) (2002). Enlisted in the Slovene Red List of rare and endangered species, marked by 'E' representing a critically endangered species. Ref.: (1) A. Martinči et all., Mala Flora Slovenije (Flora of Slovenia - Key) (in Slovenian), Tehnična Založba Slovenije (2007), p 346. (2) M.A. Fischer, W. Adler, K. Oswald, Exkursionsflora für Österreich, Liechtenstein und Südtirol, LO Landesmuseen, Linz, Austria (2005), p 454. (3) D. Aeschimann, K. Lauber, D.M. Moser, J.P. Theurillat, Flora Alpina, Vol. 2., Haupt (2004), p 1170. (4) http://www.catria.net/Linaceae/Pagine/Linum_austriacum_tommasinii.html#3 spodnja meja 525-1100 (accessed Nov. 21. 2017). (5) T. Seliškar, B. Vreš, A. Seliškar, FLOVEGSI data base, The Jovan Hadži Institute of Biology ZRC SAZU (2003); https://bijh.zrc-sazu.si/sl/zbirka/podatkovna-zbirka-flovegsi-favna-flora-in-vegetacija-slovenije-bijh-zrc-sazu#v (accessed Nov. 21. 2017). (6) N. Jogan (ed.), Gradivo za Atlas flore Slovenije (Materials for the Atlas of Flora of Slovenia), CKSF (2001), p 229 (7) Flora Croatica Database, Faculty of science, Department of Botany, FER-ZPR, University of Zagreb, http://hirc.botanic.hr/fcd/ (accessed Nov. 21. 2017) (8) L. Poldini, Nuovo Atlante corologico delle piante vascolari nel Friuli Venezia Giulia, University of Trieste (2002), p 295. (9) L. Fenaroli, Flora delle Alpi, Vegetazione e flora delle Alpi e degli altri monti d'Italia (1971), p 162. (10) Flora Croatica Database (FCD), Department of Botany, Faculty of science, FER-ZPR, University of Zagreb (2004); http://hirc.botanic.hr/fcd (accessed Nov. 21. 2017) (11) http://dryades.units.it/FVG/index.php?procedure=taxon_page&id=2885&num=4500 (accessed Nov. 21. 2017)camera Sony ILCE 6000 / Carl Zeiss Vario-Tessar E 16-70 mm/f4
contributor's ID # Bot_1051/2017_DSC00867 photo category: Plant - annual/perennial
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MORE INFORMATION ABOUT THIS PLANT
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Tommasini's Austrian Flax (?) (photographer)
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