monopodium

/ˌmɑnəˈpoʊdiəm/
noun
  1. A single main stem or axis that continues to grow from the tip, with lateral branches.
    • The orchid's monopodium produced leaves and flowers along its length.
    • The botanist identified the plant's monopodium, noting how the main stem kept growing straight.
    • In a monopodium, the terminal bud remains active throughout the plant's life.
Antonyms
What does "monopodium" mean? | whatsthatwordmean | whatsthatwordmean