Some plants reproduce vegetatively by growing specialised "runner" stems. What is the correct botanical term for these structures?

Question

BlackTom AI · Accepted Answer

The question asks for the correct botanical term used for vegetative reproduction via specialized 'runner' stems.
Option A: Hypocotyl. This is the part of a seedling stem below the seed leaves (cotyledons) and above the root; it is not the structure that sends out runners for vegetative propagation, so this is incorrect.
Option B: Usain Bolts. This is a humorous, irrelevant choice referencing a person; it has no botanical meaning in this context, so it is clearly incorrect.
Option C: Stolon. A stolon is a horizontal above-ground stem that grows away from the parent plant and can form new plants at its nodes, which is exactly the classic runner used for vegetative reproduction. This is the correct term.
Option D: Rhizome. A rhizome is a horizontal underground stem that stores nutrients and can produce new shoots; while related to vegetative propagation, it is not the runner above ground described in the question, so this is incorrect for this scenario.
Option E: Meristem. Meristem refers to regions of actively dividing cells in plants responsible for growth, not to a specific runner structure itself; thus this is not the term for runner stems, making it incorrect.
In summary, stolons are the specialized runner stems that enable vegetative reproduction by extending along the surface and giving rise to new plants at nodes, whereas the other terms describe different plant structures or concepts.

Some plants reproduce vegetatively by growing specialised "runner" stems. What is the correct botanical term for these structures?单项选择题

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