"Distinctiveness" is actually the least important consideration in judging an iris:
From the AIS Judges' Handbook 2021
SCALE OF POINTS - Garden Judging of Tall Bearded Iris
1. Plant 30
a. Foliage 10
b. Durability/perennial qualities 15
c. Floriferousness 5
2. Stalk 35
a. Proportion 5
b. Strength 10
c. Branching 5
d. Bud Count & Bloom Sequence 15
3. Flower 25
a. Color 5
b. Form 10
c. Substance & Durability 10
4. Distinctiveness 10
TOTAL 100
