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New chorological and ecological data on allochtonous Thladiantha dubia (Cucurbitaceae) in Croatia (CROSBI ID 712990)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Rimac, Anja ; Šegota, Vedran ; Prlić, Dragan ; Doboš, Marko New chorological and ecological data on allochtonous Thladiantha dubia (Cucurbitaceae) in Croatia // BOOK OF ABSTRACTS 4th Croatian symposium on invasive species with international participation / Jelaska, Sven D. (ur.). Zagreb: Hrvatsko ekološko društvo, 2021. str. 72-72

Podaci o odgovornosti

Rimac, Anja ; Šegota, Vedran ; Prlić, Dragan ; Doboš, Marko

engleski

New chorological and ecological data on allochtonous Thladiantha dubia (Cucurbitaceae) in Croatia

Thladiantha dubia Bunge (Cucurbitaceae) is a dioecious, perennial climbing vine native to the northern parts of China. So far, it has been recorded as an alien in many European countries, western states of the USA and Canada, and in several Asian countries outside its native range. This species is usually reported growing in shrubs, along railways, riverbanks, in maize fields, on the borders of vineyards and landfills. In Croatia, it was recorded for the first time in 1985 in the immediate vicinity of Botanical Garden of the Department of Biology (Zagreb County), however, the first published Croatian record, is relatively recent (marshland area Savica in Zagreb). Both previously known localities in Zagreb were confirmed and four new localities, all in continental Croatia were recorded between 2015 and 2020 – a single locality at Stara Savica (Zagreb) and in the vicinity of Vrbova (Brod- Posavina County) and two localities near Slatina (Virovitica-Podravina County). Although the species was not considered a garden plant earlier, two of our new records are most likely of garden origin. Introduction pathways on other localities might be through railroads, watercourses or embankment maintenance. The majority of the Croatian populations are female, which is quite rare in Europe, wherefrom mostly male plants were reported so far. Female populations of Th. dubia were recorded while in bloom or bearing seedless fruits in the summer months. Since no mixed populations were found and specific pollinators of this entomophilous species are absent from Europe, the fruits are most likely parthenocarpic (e.g. developed without fertilisation, resembling normally produced fruits but are seedless). According to the Croatian classification of alien flora, Th. dubia can be classified as a naturalized, non-invasive alien weed in Croatia.

neophyt ; alien species ; naturalized species ; parthenocarpy

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Podaci o prilogu

72-72.

2021.

objavljeno

Podaci o matičnoj publikaciji

BOOK OF ABSTRACTS 4th Croatian symposium on invasive species with international participation

Jelaska, Sven D.

Zagreb: Hrvatsko ekološko društvo

Podaci o skupu

4. hrvatski simpozij o invazivnim vrstama = 4th Croatian Symposium on Invasive Species

poster

29.11.2021-30.11.2021

Zagreb, Hrvatska

Povezanost rada

Biologija