Determined according to the botanical keys provided by Micevski in Micevski (1995) as Alyssum trichostachyum Rupr. and Ball et al. in Tutin et al. (1964) as Alyssum repens subsp. trichostachyum (Rupr.) Hayek. The accepted name in The Euro+Med PlantBase (source: Marhold, 2011+) is Alyssum trichostachyum Rupr.
Lifeform: Perennial; Hemicryptophyte according to the Raunkiær system.
Distribution: Native from the Balkan Peninsula to Iran according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew).
Habitat: Grasslands and clearings of oak forests.
Flowering period: Spring: APR, MAY.
Alyssum trichostachyum – habit. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – habit. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – habit. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – habit. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – habit. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – habit. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – habit. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – inflorescence. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – inflorescence. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – inflorescence. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – inflorescence. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – flowers. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – flowers. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – flowers. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – flowers. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – flowers. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – side view of flowers with calyx. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – side view of flowers with calyx. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – side view of flowers with calyx. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – spent flowers. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – silicles. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – silicles. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – silicles. The silicles have 2 ovules/ seeds in each loculus (upper right corner). Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – silicles. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – stem with leaves. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – stem with leaves. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – stem and leaves. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – adaxial side of leaves. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – abaxial side of leaves. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – abaxial side of leaves. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – lower part of plant. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – lower part of plant. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – lower part of plant. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – lower part of plant. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – lower part of plant. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – lower part of flowering stems and vegetative stems. vegetative stems. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – lower part of flowering stems and vegetative stems. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – vegetative stem. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – vegetative stems. Region between the villages of Istibanja and Bezikovo, 28.04.2024. Photo by Trajche Dimitrovski.Alyssum trichostachyum – A: size of flowers. B and C: petals – the petals are c. 4 mm long, somewhat widened in the middle, and then constricted again towards the base; D: pedicel and pistil (left), shorter stamen (middle) and longer stamen (right); E: fruits – silicles; F to H: leaves. Scale in mm. Photo by Trajche Dimitrovski.Alyssum trichostachyum – indumentum of pedicel under magnification. Photo by Trajche Dimitrovski.Alyssum trichostachyum – pistil. A: ovary; B: lower part of style; C: style and stigma. Photo by Trajche Dimitrovski.Alyssum trichostachyum – shorter stamen under magnification. The shorter stamens have and appendage connected only at the base of the filament, about as long as the filament. A: base of filament and attachment of scale; B: scale with teeth at apex; C: filament and anther. The anthers are more than 0.5 mm long. Photo by Trajche Dimitrovski.Alyssum trichostachyum – longer stamen under magnification. The longer stamens have winged filaments; wings dentate. A: base of filament; B: dentate wings; C: dentate wings and anther. Photo by Trajche Dimitrovski.Alyssum trichostachyum – hairs of silicle. A and B: hairs of margin of silicle seen from the side; C: hairs see from above. Photo by Trajche Dimitrovski.
References:
Alyssum L. Ball, P.W. and Dudley, T.R. with the assistance of Nyârâdy, E.I. 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. 297 – 304.
Alyssum L. Micevski, V. (1995). The Flora of the Republic of Macedonia Vol. I, Book 3. Macedonian Academy of Sciences and Arts, pp. 653 – 684.
