This is the 27th most frequent Spanish word.
tiene
"Has" (third person singular of "tener").
In this sentence, 'tiene' is the third person singular present tense form of the verb 'tener', meaning 'to have', used to indicate possession.
Ella tiene un perro.
She has a dog.
Here, 'tiene' serves as the main verb in the phrase 'tiene que', which translates to 'has to', used to express obligation.
Tiene que estudiar para el examen.
He/She has to study for the exam.
In this context, 'tiene' indicates possession or a characteristic of the noun it refers to, the tree having flowers.