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Blackstonia perfoliata ssp. perfoliata
Yellow-wort
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Photographer: Dr. Amadej Trnkoczy
ID: 0000 0000 1121 2134 (2021-11-30)Copyright © 2021 Dr. Amadej Trnkoczy
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INFORMATION PROVIDED WITH THE PHOTO
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date of photo May 14, 2007
latitude 44.36550 longitude 14.77990
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location
Adriatic Sea, island Olib, halfway form village Olib to Južna Slatina bay, near the cross (Zadar region, Croatia)family
Gentianaceae
notes Slo.: preraslolistna grenčica - Habitat: Garrigue, abandoned fields, old, mostly abandoned olive groves, road sides and semiruderal ground; flat terrain, calcareous ground, open, sunny, dry places; elevation from 3 to 50 m; average precipitations ~ 1.000 mm/year, average temperature 13-15 deg C, Sub-Mediterranean phytogeographical region. Substratum: red karst soil. Comment (pertains to pictures in the Flickr album Blackstonia-perfoliata-subsp-perfoliata): Blackstonia-perfoliata-subsp-perfoliata is a small but interesting plant of Mediterranean region. However, it spreads also in Central European countries as well as in UK. In Slovenia one can find it almost exclusively in its warmest parts near the Adriatic coast. The plant has interesting leaves. Two opposite, grayish- or bluish-green upper stem leaves are completely fused together at the base, so it appears the stalk is growing through a single leaf. Blackstonia-perfoliata-subsp-perfoliata's sister taxon Blackstonia perfoliata ssp. serotina is very similar but their upper stem leaves are much less distinctively fused together and also have three (albeit often hardly to see) leaf veins instead of a single, central one as with Blackstonia-perfoliata-subsp-perfoliata. The name given to the taxon is after English pharmacist and botanist John Blackstone who lived in 18. century. Ref.: (1) A. Martinči et all., Mala Flora Slovenije (Flora of Slovenia - Key) (in Slovenian), Tehnična Založba Slovenije (2007), p 505. (2) M. Blamey, C. Grey-Wilson, Wild Flowers of the Mediterranean, A & C Black, London (2005), p 175. (3) I. Schӧnfelder, P. Schӧnfelder, Kosmos Atlas Mittelmeer- und Kanarenflora, Kosmos, (2002), p 63. (4) N. Jogan (ed.), Gradivo za Atlas flore Slovenije (Materials for the Atlas of Flora of Slovenia), CKSF (2001), p 152.camera Nikon D70 /AF-S Nikorr 18-70mm/f3.5-4.5G ED
contributor's ID # Bot_0187/2007_DSC7590 photo category: Plant - annual/perennial
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MORE INFORMATION ABOUT THIS PLANT
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| common names
Yellow-wort (photographer)
View all photos in CalPhotos of Blackstonia perfoliata ssp. perfoliata Check Google Images for Blackstonia perfoliata ssp. perfoliata |
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For other uses, or if you have questions, contact Dr. Amadej Trnkoczy amadej.trnkoczy[AT]siol.net. (Replace the [AT] with the @ symbol before sending an email.) |
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