Published in Scientific Papers. Series B, Horticulture, Vol. LXVIII, Issue 1
Written by Daniela Clara MIHAI, Mihaela Ioana GEORGESCU, Alina Georgiana CÎŞLARIU, Mioara DUMITRAŞCU, Petronela CAMEN-COMĂNESCU, Florin TOMA
Ornamental horticulture is a significant contributor to the introduction of invasive plant species, such as Impatiens glandulifera. Native to the temperate and humid regions of Asia, particularly the Himalaya Mountains, the species was first reported in Europe in 1839, introduced for ornamental and nectar-producing purposes. Its presence in Romania dates since 1882. Over the past few decades, the species’ invasive nature has led to its inclusion in the List of Invasive Alien Species of Union concern. The existing studies have systematically examined the plant’s morphology, habitat requirements, ecology, life cycle, and genetic aspects, emphasizing the traits associated with its high invasive potential. The species exhibits a preference for moist to wet and nutrient-rich soils, commonly found in river valleys and associated riparian habitats. Our research, based on samples collected from Romania, aims to identify and detail the structural features of the vegetative body of Impatiens glandulifera that contribute to its adaptive ability to specific environmental conditions. The anatomical investigations revealed a secondary root and stem structure, enhancing this annual species’ robustness and resistance in plant communities.
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