Pseudotsuga menziesii (Mirb.) Franco

Posted byTrajche DimitrovskiPosted inUncategorized

Taxonomy: Fam. Pinaceae// Genus: Pseudotsuga// Species: Pseudotsuga menziesii (Mirb.) Franco.

Determined according to the botanical keys provided by Heywood (Pinaceae – key to genera) and Amaral Franco (Pseudotsuga) in Tutin et al. (1964).

Lifeform: Evergreen tree; Phanerophyte according to the Raunkiær system.

Distribution: Native to North America- Alaska to Mexico; introduced in elsewhere (Europe and Turkey) according to the according to the Plants of the World Online portal (Royal Botanic Gardens, Kew). Not native – introduced in North Macedonia and the Osogovo region.

Habitat:  Coniferous plantations, from the lowland up to 1600 m altitude.

Locality: Ponikva.

Pseudotsuga menziesii – habit. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – habit. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – habit. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – branches. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – branches. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – branch with cones. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – branch with cones. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – cone. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – fallen cones. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – scales of cone. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – branch with leaves. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – leaves. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – adaxial side of leaves. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – branch. Osogovo – Ponikva region, 11.03.2023. Photo by Trajche Dimitrovski.

Locality: gorge of “Kochanska” River.

Pseudotsuga menziesii – habit of mature trees. Gorge of “Kochanska” River – coniferous plantations with Pinus nigra and Pinus sylvestris, 01.01.2022. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – habit of mature tree (left) and crown (right). Gorge of “Kochanska” River – coniferous plantations with Pinus nigra and Pinus sylvestris, 22.05.2021. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – twig with new spring growth. Gorge of “Kochanska” River – coniferous plantations with Pinus nigra and Pinus sylvestris, 22.05.2021. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – twig with new spring growth. Gorge of “Kochanska” River – coniferous plantations with Pinus nigra and Pinus sylvestris, 22.05.2021. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – mature twigs in winter with leaves pictured from adaxial side. Gorge of “Kochanska” River – coniferous plantations with Pinus nigra and Pinus sylvestris, 01.01.2022. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – mature twig in winter with leaves pictured from abaxial side. Gorge of “Kochanska” River – coniferous plantations with Pinus nigra and Pinus sylvestris, 01.01.2022. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – abaxial side of leaves. Gorge of “Kochanska” River – coniferous plantations with Pinus nigra and Pinus sylvestris, 01.01.2022. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – cones. Gorge of “Kochanska” River – coniferous plantations with Pinus nigra and Pinus sylvestris, 21.11.2021. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – cone. Gorge of “Kochanska” River – coniferous plantations with Pinus nigra and Pinus sylvestris, 21.11.2021. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – cone. Gorge of “Kochanska” River – coniferous plantations with Pinus nigra and Pinus sylvestris, 21.11.2021. Photo by Trajche Dimitrovski.
Pseudotsuga menziesii – cone. Gorge of “Kochanska” River – coniferous plantations with Pinus nigra and Pinus sylvestris, 02.10.2021. Photo by Trajche Dimitrovski.

References:

Pseudotsuga menziesii (Mirb.) Franco. Plants of the World Online, Royal Botanic Gardens Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:677141-1 [Accessed 07.01.2021].

Pinaceae (key to genera). Heywood, V.H. 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, p. 29.

Pseudotsuga Carrière. Amaral Franco, J. 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, p. 30.

Last update: 04.12.2023.