seedstalk
/ˈsiːdˌstɔːk/Definitions
1. noun
a stalk or stem that bears seeds, especially of a grass or cereal
“The farmer examined the seedstalks for signs of disease.”
2. noun
a plant stem that bears the seeds of a grass or cereal, typically a flowering stem that carries the seed heads
“The botanist studied the seedstalks of various grass species.”