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Morphological diversity of natural Dalmatian pyrethrum populations

Dalmatian pyrethrum (Tanacetum cinerariifolium (Trevir.) Sch. Bip) is a plant species from Asteraceae family endemic to the coastal and peri- coastal regions of Croatia, Bosnia and Herzegovina, Montenegro and Albania (Euro+Med, 2006). It grows as an herbaceous shrub with a characteristic inflorescence at the top of a stiff and erect stem consisting of white, lance-shaped, petal-like flowers at the edges and yellow disk flowers in the center (Brewer, 1968). Dalmatian pyrethrum produces pyrethrin, a mixture of six chemical compounds found primarily in the flower heads, which has insecticidal and repellent properties (Bhat, 1995). While the biochemical diversity of the species has been the subject of numerous studies focusing on both natural populations (Grdiša et al., 2013) and commercial varieties (Suraweera et al., 2020), few studies have reported on the morphological diversity of natural Dalmatian pyrethrum populations (Ban et al., 2019). The aim of this study was to morphologically characterize the natural Dalmatian pyrethrum populations based on several traits potentially related to pyrethrin production.

Tanacetum cinerariifolium ; Asteraceae ; morphological diveristy

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