ADS form C

Straight Cactus dahlias

Fully double blooms with narrow, pointed ray florets rolled back for more than half their length, radiating straight from the center in all directions.

Straight Cactus varieties carry an ADS size letter: AA (over 10 inches) down to M (up to 4 inches). The catalog word "dinnerplate" maps loosely to AA and A; it is marketing language, not a class.