4 photos. Crataegus heldreichii Boiss. [named in honor of the German botanist Theodor Heinrich Hermann von Heldreich (1822-1902), who lived in Greece and signed his work as Θεόδωρος δε Ηελδράιχ], Κράταιγος ο χελδραΐχιος, Κράταιγος του Χελδράιχ, Κράταιγος του Θεοφράστου, Tρικουκκιά, Balkan hawthorn