Determined according to the botanical key provided in The Flora of the Republic of Macedonia (Micevski, 1998).
Lifeform: Perrenial; Microphanerophyte according to the Raunkiær system.
Distribution: Native to the Balkan Peninsula according to The Euro+Med PlantBase (source: Kurtto, 2009).
Habitat: Thermophilus mixed oak forests (Querco-Carpinetum orientalis ass.).
Flowering period: Late spring (May to June).
Crataegus heldreichii – habit in habitat. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski.Crataegus heldreichii – habit in habitat. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski. Crataegus heldreichii – habit. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski. Crataegus heldreichii – habit. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski. Crataegus heldreichii – habit. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski. Crataegus heldreichii – branch with inflorescences. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski. Crataegus heldreichii – developing inflorescences. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski Crataegus heldreichii – developing inflorescences. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski. Crataegus heldreichii – inflorescence. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski Crataegus heldreichii – inflorescence. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski Crataegus heldreichii – branch with inflorescences. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski Crataegus heldreichii – inflorescence. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski Crataegus heldreichii – developing inflorescence. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski Crataegus heldreichii – young stem with leaves and stipules of . Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski Crataegus heldreichii – adaxial side of leaf. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski Crataegus heldreichii – abaxial side of leaves. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski Crataegus heldreichii – adaxial side of leaves. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski Crataegus heldreichii – abaxial side of leaves. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski Crataegus heldreichii – abaxial side of leaves. Oak woods in the vicinity of “Saint Panteleimon” monastery, Osogovo Mountains, 23.05.2021. Photo by Trajche Dimitrovski
References:
Micevski, K. (1998). The Flora of the Republic of Macedonia Vol. I, Book 4. Macedonian Academy of Sciences and Arts.
Osogovo nature 