The classification is given according to The Euro+Med PlanBase (Uotila, 2017+).
Determined according to the botanical keys provided by Schotsman in Tutin et al. (1972) and Matevski in Matevski (2021).
Lifeform: Perrenial; amphibious plant growing in and on the edges of standing bodies of water with both aquatic and terrestrial forms.
Distribution: Native to Northwest Africa, Europe to Siberia according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew).
Habitat: Stagnant waters – ponds. Found in Ponikva at c. 1550 m altitude.
Flowering period: Late spring -summer: MAY, JUN.
Callitriche cophocarpa – habitat. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – habit in habitat. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – habit in habitat. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – habit in habitat. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – habit. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – habit. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – habit. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – habit. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – habit. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – habit. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – flowering stems. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – flowering stems. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – flowering stems. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – flowering stems with male flowers. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – flowering stem with female flowers. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – leaves. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – leaves. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – leaves. Osogovo, Ponikva, 06.05.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – habit. Osogovo, Ponikva, 08.07.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – habit. Osogovo, Ponikva, 08.07.2023. Photo by Trajche Dimitrovski.Callitriche cophocarpa – aquatic form. Osogovo – Ponikva, 06.05.2024. Photo by Trajche Dimitrovski.Callitriche cophocarpa – aquatic form. Osogovo – Ponikva, 06.05.2024. Photo by Trajche Dimitrovski.Callitriche cophocarpa – submerged stems with floating rosettes. Osogovo – Ponikva, 06.05.2024. Photo by Trajche Dimitrovski.Callitriche cophocarpa – floating rosettes. Osogovo – Ponikva, 06.05.2024. Photo by Trajche Dimitrovski.Callitriche cophocarpa – floating rosettes. Osogovo – Ponikva, 06.05.2024. Photo by Trajche Dimitrovski.Callitriche cophocarpa – terrestrial form. Osogovo – Ponikva, 06.05.2024. Photo by Trajche Dimitrovski.Callitriche cophocarpa – terrestrial form with elliptical leaves. Osogovo – Ponikva, 06.05.2024. Photo by Trajche Dimitrovski.Callitriche cophocarpa – A: stem with female flowers; B: stem with male flowers. Scale in cm/mm; C: stem with fruits; D:male flower; E: female flower; F: fruits. Scale in mm. Photo by Trajche Dimitrovski.Callitriche cophocarpa – anther (A), ovary(B) and fruit – mericarps seen from above (C) under magnification. The mericarps are weakly keeled with obtuse margin (marked with arrows). Photo by Trajche Dimitrovski.
References:
Callitriche L. Melovski, Lj. in Matevski, V. The Flora of the RN Macedonia. Vol II, Book 2. Macedonian Academy of Sciences and Arts, Skopje 417 – 426.
Callitriche L. Schotsman, H.D. 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 3. Diapensiaceae to Myoporaceae. Cambridge: Cambridge University Press, pp. 123 – 126.
