Flowering Grass Grain, New Wonder Grain?
Puzzle 5 of Sports Venue Hard Pack
Question is: Flowering Grass Grain, New Wonder Grain?
and the answer is: SORGHUM
Word Meaning:
SORGHUM — A cereal, Sorghum genus and species, the grains of which are cultivated to make flour and feed cattle. Almost all cultivated ones as well as some wild ones belong to the species Sorghum bicolor (syn. Sorghum vulgare).
Definitions from Wiktionary.