phytonomy: the laws that govern the coming into existence and growth of plants.

• Abscission, (from Latin abscindere, from ab- ‘off, away’ + scindere ‘to cut’) is the shedding of a body part.
• Monocarpic plants are those that flower, set seeds and then die. Other terms with the same meaning are hapaxanth and semelparous.
• Polycarpic plants are those that flower, set seeds and grow fruit many times. Other term with the same meaning is iteroparous.