The USA-NPN website will be temporarily unavailable for scheduled maintenance beginning late Sunday, July 26 through early Monday, July 27 (EDT). Thank you for your patience and understanding.
We are undertaking a major revision of our Nature's Notebook data collection app to make it easier and more fun to track plant and animal seasonal activity!
The axis (stalk) within a grass or sedge spikelet. Further, the stalk of a grass spikelet is called a pedicel; the primary axis of the entire grass inflorescence is called a rachis.