The elm cultivar 'Morton Glossy' (selling name Triumph™) was originally known as 'Charisma' until it was realized that name had already been registered for another plant. The tree was derived from a crossing of two other hybrid cultivars grown at the Morton Arboretum: Accolade and Vanguard. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer to this question is:
Plant