trifoliate orange: small fast-growing spiny deciduous Chinese orange tree bearing sweetly scented flowers and decorative but inedible fruit: used as a stock in grafting and for hedges
vascular plant: green plant having a vascular system: ferns, gymnosperms, angiosperms
grade point: a numerical value assigned to a letter grade received in a course taken at a college or university multiplied by the number of credit hours awarded for the course