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Bouché’s star of Bethlehem Ornithogalum boucheanum (Kunth) Asch. (Hyacinthaceae), the new species in flora of Croatia

Populations of Bouché’s star of Bethlehem (Ornithogalum boucheanum (Kunth) Asch., fam. Hyacinthaceae) were recorded on Bansko Hill (Baranja, Croatia) on 26th April 2007. Since this species has not been previously identified in Croatia, it should be treated as a new taxon and included in the Flora Croatica Database. The voucher specimen was collected on 16th April 2008 and deposited in Herbarium Croaticum (ZA) of the Faculty of Science, University of Zagreb. In this paper we present a short morphological description of O. boucheanum and diagnostic morphological characters for differentiation from related species O. nutans L. We suggested for O. boucheanum to be evaluated as critically endangered (CR) species of the Croatian flora, considering the small number of individuals and small extension of its occurrence. The recording of its populations on the edge of loess cliff in Bansko Hill which part belongs to the Important Plant Area confirms the significance of this unique habitat in preserving rare and endangered plants.

Bansko Hill, Baranja, loess, Myogalum boucheanum, threatened plants

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