Taxonomy: Fam. Compositae// Genus: Symphyotrichum// Species: Symphyotrichum squamatum (Spreng.) G. L. Nesom.
Determined according to the botanical key provided by Merxmüller, Schreiber and Yeo in Tutin et al. (1976) as Aster squamatus (Sprengel) Hieron., Bot. Jahrb.29:19 (1900). The accepted name in The Euro+Med PlantBase (Greuter, 2006+) is Symphyotrichum squamatum (Spreng.) G. L. Nesom in Phytologia 77: 292. 1995.
Lifeform: Annual; therophyte according to the Raunkiær system.
Distribution: Native to South America; introduced in parts of North America, Europe, Asia and Africa according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew). Not native to the Osogovo region – introduced species.
Habitat: Introduced species occasionally found as a adventive plant on disturbed ground.
Flowering period: Autumn: SEP, OCT.
Symphyotrichum squamatum – habit. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – upper part of plant. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – branches with capitula. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – capitulum. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – capitulum. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – involucre of capitulum. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – involucre of capitulum. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – capitulum and achene. The ligules are about as long as the pappus. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche DimitrovskiSymphyotrichum squamatum – flowering and fruiting capitula. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – fruiting capitulum. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – fruiting capitulum with achenes. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – achenes. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – achenes and upper cauline leaves. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – stem and upper cauline leaves. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – stem and leaves. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – stem with lower cauline leaves and basal leaves. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – stem and leaves. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – stems with leaves. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – adaxial side of leaf. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – abaxial side of leaf. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – basal leaves. Gorge of “Kochanska” River, 11.10.2024. Photo by Trajche Dimitrovski.Symphyotrichum squamatum – capitula and achenes. Scale in mm. Photo by Trajche Dimitrovski.
Aster L. Native species by Merxmüller, H. and Schreiber, A.; naturalized species by Yeo, P.F. in Tutin, T.G., Heywood, V.H., Burges, N.A., Moore, D.M., Valentine, D.H., Walters, S.M. & Webb, D.A. (1976). Flora Europaea. Volume 4: Plantaginaceae to Compositae (and Rubiaceae). Cambridge: Cambridge University Press, pp. 112 – 116.
