Determined according to the botanical keys provided by Brenan in Tutin et al. (1964) and Micevski in Micevski (1995) as Chenopodium ambrosioides L., Sp. Pl. 219 (1753). The accepted name in The Euro+Med PlantBase (source: Uotila, 2011+) is Dysphania ambrosioides (L.) Mosyakin & Clemants in Ukrayins’k. Bot. Žurn. 59: 382. 2002.
Lifeform: Annual, therophyte according to the Raunkiær system.
Distribution: Native from South USA to South America and Subantartic Island; introduced in elsewhere according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew).
Habitat: Disturbed ground – ruderal and urban areas.
Flowering period: Late summer – autumn: AUG, SEP, OCT.
Dysphania ambrosioides – habit. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – flowering stem with inflorescence. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – flowering stem with inflorescence. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – paniculate inflorescence. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – paniculate inflorescence. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – branches of inflorescence with flowers arranged in cymes subtended by bracts. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – branches of inflorescence with flowers arranged in cymes subtended by bracts. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – branches of inflorescence with flowers arranged in cymes subtended by bracts. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – branches of inflorescence with flowers arranged in cymes subtended by bracts. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – branches of inflorescence with flowers arranged in cymes subtended by bracts. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – branches of inflorescence with flowers arranged in cymes subtended by bracts. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides –stem and leaves. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – leaves. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – abaxial side of leaf. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – abaxial side of leaves. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – abaxial side of leaf. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – stem. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – stem. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – stem. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – plant base. Kochani, 29.09.2024. Photo by Trajche Dimitrovski.Dysphania ambrosioides – A: stem with inflorescence. Scale in mm; B and C: branch of inflorescence with flowers subtended by bracts; D: seeds. Scale in mm. Photo by Trajche Dimitrovski.
References:
Chenopodium L. Brenan, J.P.M. in Tutin, T.G., Heywood, V.H., Burges, N.A., Moore, D.M., Valentine, D.H., Walters, S.M., & Webb, D.A. (1964). Flora Europaea. Volume 1. Lycopodiaceae to Platanaceae. Cambridge: Cambridge University Press, pp. 92 – 95.
Chenopodium L. Micevski, K. in Micevski, K. (1995). The Flora of the Republic of Macedonia Vol. I, Book 3. Macedonian Academy of Sciences and Arts, pp. 411 – 423.
