LSJ
πυροί wheat in the stalk, AB 291 (cf. καλάμη); αἱ ἀπὸ ἐπικαλάμου ἄρουραι fields whose corn is in stalk, POxy. 499.10 (ii AD).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
TBESG
stalk (MT)
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars