Poa pratensis L.

Taxonomy: Fam. Poaceae// Genus: Poa// Species: Poa pratensis L.

Determined according to the botanical key provided by Edmondson in Tutin et al. (1980).

Lifeform:  Perennial; hemicryptophyte according to the Raunkiær system.

Distribution: Native to Subarctic and Temperate Northern Hemisphere to Yemen and Philippines according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew).

Habitat: Open habitats- grasslands, edges of woods, roadsides.

Flowering period: Spring – early summer: APR, MAY, JUN.

Poa pratensis – habit. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – habit. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – habit. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – habit. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – habit. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle branches with spikelets. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle branches with spikelets. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle branches with spikelets. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle branches with spikelets. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle branches with spikelets. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle branches with spikelets. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle branch with spikelets. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle axis and lowest branches. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – panicle axis and lowest branches. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – lower part of plant – stems and leaves. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – stems with leaves. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – stem and cauline leaf. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – stem and cauline leaf. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – stem with cauline leaves. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – adaxial side (left) and abaxial side (right) of cauline leaf. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – leaf sheath and ligule. The ligule is decurrent on the leaf sheath. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – stem with cauline leaf and basal leaves of vegetative shoot. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – stem with cauline leaves and basal leaves of vegetative shoots. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – basal leaves of vegetative shoots. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – adaxial side (left) and abaxial side (right) of basal leaf. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – stem (left), cauline leaf (middle) and basal leaf (right). Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – base of stems, rhizome and stolons. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – base of stem and stolon. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – base of stem and stolon. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – plant base – leaf sheaths. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – plant base – leaf sheaths. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – rhizome. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – stolons. Osogovo, hilly region near village of Orizari, 24.04.2024. Photo by Trajche Dimitrovski.
Poa pratensis – A: panicle; B: cauline leaf (left) and basal leaf (right); C, D and E: ligule; F: base of stem. Photo by Trajche Dimitrovski.
Poa pratensis – A: spikelets. Scale in mm; B and C: hairs of lemma; D: apex of lemma; E: glume; F: pedicel. Photo by Trajche Dimitrovski.

References:

Poa L. Edmondson, J. R. in Tutin, T.G., Heywood, V.H., Burges, N.A., Moore, D.M., Valentine, D.H., Walters, S.M. & Webb, D.A. (1980). Flora Europaea. Volume 5: Alismataceae to Orchidaceae (Monocotyledones). Cambridge: Cambridge University Press, pp. 159 – 167.

Poa pratensis L. Plants of the World Online portal, Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:417792-1 [Accessed 05.06.2024].