Key to Dealing with Stress by Trees Are Key published on 2019-10-02T21:47:33Z Trees Are Key Trees and humans are reactive organisms. While stress is key for the development of strong, resilient trees, it can be debilitating for us. Learning to cope with stress is a vital life skill for all of us. Species Spotlight Black Cherry Prunus serotina var. serotina is a deciduous Texas native. This large tree grows up to 80 feet tall with a trunk 1 to 3 feet in diameter. Forest-grown trees have long clear trunks with little taper and an oval crown; open-grown trees have short trunks with many branches and an irregular, spreading crown.