Morphological studies and taxonomic review of Preonanthus (Ranunculaceae)

Szentpéteri, J. and Szente, Sz. and Szegő, B. and Stranczinger, Sz. (2008) Morphological studies and taxonomic review of Preonanthus (Ranunculaceae). Acta Botanica Hungarica, 50 (3-4). pp. 407-415. ISSN 0236-6495

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Abstract

Based on the original description, Pulsatilla genus is morphologically heterogeneous at currently accepted circumscription. Morphological investigations on flowers (concentrating on nectar secreting staminodes, stamina and stigmas) provided obvious segregation among studied Pulsatilla taxa. Along with the known and reinvestigated marks, four newly introduced morphological characters were suggested for the necessary taxonomic revision of Pulsatilla (section Preonanthus ). Practically, just the similar evaluation and structure of fruits connects Preonanthus to Pulsatilla , when numerous significant morphological characters separate the two groups. Since critical taxa with alpine, subalpine distribution were classified generically different under the name Preonanthus (DC.) Schur, reconsideration of the genus is even stronger supported.

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