2-flowered, lower male or barren, upper fertile 2-flowered, both fertile
1-many flowered, with 1 fertile floret
many flowered, with at least 2 fertile 1-flowered
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith